Forecast dengan Double Eksponensial Smoothing α = 0,1

4.2. Forecast dengan Double Eksponensial Smoothing α = 0,1

Untuk α =0,1 kita ambil sebagai sampel pada bulan kedua dan bulan ketiga,dengan menggunakan langkah – langkah seperti diatas. Sehingga dapat dihitung : Bulan 2 : = 1.232.536.432.554,87 1. = + 1 – α = 0,11.232.536.432.554,87 + 0,91.309.625.167.666,77 = 1.301.916.294.155,58 2. = α + 1 – α = 0,1 1.301.916.294155,58 + 0,9 1.309.625.167.666,77 = 1.308.854.280.315,65 3. = 2 – 21.301.916.294.155,58 – 1.308.854.280.315,65 1.294.978.307.995,51 4. = – 1.301.916.294.155,58 – 1.308.854.280.315,65 -770.887.351,12 5. Forecast bulan ke 2 m=1 = + m = 1.294.978.307.995,51 + -770.887.351,121 1.294.207.420.644,39 Universitas Sumatera Utara Bulan 3 : = 1.241.084.363.541,47 1. = + 1 – α = 0,11.241.084.363.541,47 + 0,91.301.916.294.155,58 = 1.295.833.101.094,17 2. = α + 1 – α = 0,1 1.295.833.101.094,17 + 0,9 1.308.854.280.315,65 = 1.307.552.162.393,50 3. = 2 – 21.295.833.101.094,17 – 1.307.552.162.393,50 1.284.114.039.794,84 4. = – 1.295.833.101.094,17 – 1.307.552.162.393,50 -1.302.117.922,15 5. Forecast bulan ke 3 m=1 = + m = 1.284.114.039.794,84 + -1.302.117.922,151 1.282.811.921.872,69 Dengan demikian dapat dilihat dari tabel forecastnya : Universitas Sumatera Utara Tabel 4.2 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,1 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.301.916.294.155,58 1.308.854.280.315,65 1.294.978.307.995,51 -770.887.351,12 - 3 Maret 1.241.084.363.541,47 1.295.833.101.094,17 1.307.552.162.393,50 1.284.114.039.794,84 -1.302.117.922,15 1.294.207.420.644,39 4 April 1.187.011.257.648,35 1.284.950.916.749,59 1.305.292.037.829,11 1.264.609.795.670,06 -2.260.124.564,39 1.282.811.921.872,69 5 Mei 1.257.869.152.259,79 1.282.242.740.300,61 1.302.987.108.076,26 1.261.498.372.524,95 -2.304.929.752,85 1.262.349.671.105,67 6 Juni 1.214.445.678.449,05 1.275.463.034.115,45 1.300.234.700.680,18 1.250.691.367.550,72 -2.752.407.396,08 1.259.193.442.772,10 7 Juli 1.286.450.163.347,43 1.276.561.747.038,65 1.297.867.405.316,03 1.255.256.088.761,27 -2.367.295.364,15 1.247.938.960.154,64 8 Agustus 1.374.588.841.075,17 1.286.364.456.442,30 1.296.717.110.428,65 1.276.011.802.455,95 -1.150.294.887,37 1.252.888.793.397,12 9 September 1.377.233.338.027,13 1.295.451.344.600,78 1.296.590.533.845,87 1.294.312.155.355,70 -126.576.582,79 1.274.861.507.568,58 10 Oktober 1.421.809.308.810,00 1.308.087.141.021,71 1.297.740.194.563,45 1.318.434.087.479,96 1.149.660.717,58 1.294.185.578.772,91 11 November 1.562.795.646.229,35 1.333.557.991.542,47 1.301.321.974.261,35 1.365.794.008.823,59 3.581.779.697,90 1.319.583.748.197,54 12 Desember 1.753.564.055.381,30 1.375.558.597.926,35 1.308.745.636.627,85 1.442.371.559.224,85 7.423.662.366,50 1.369.375.788.521,49 13 Januari 1.834.237.895.841,06 1.421.426.527.717,82 1.320.013.725.736,85 1.522.839.329.698,80 11.268.089.109,00 1.449.795.221.591,35 14 Februari 1.773.409.139.971,69 1.456.624.788.943,21 1.333.674.832.057,49 1.579.574.745.828,93 13.661.106.320,64 1.534.107.418.807,79 15 Maret 1.782.879.477.202,94 1.489.250.257.769,18 1.349.232.374.628,66 1.629.268.140.909,71 15.557.542.571,17 1.593.235.852.149,57 16 April 1.817.626.388.093,57 1.522.087.870.801,62 1.366.517.924.245,95 1.677.657.817.357,29 17.285.549.617,30 1.644.825.683.480,88 17 Mei 1.875.032.542.923,48 1.557.382.338.013,81 1.385.604.365.622,74 1.729.160.310.404,88 19.086.441.376,79 1.694.943.366.974,59 18 Juni 1.942.648.583.437,74 1.595.908.962.556,20 1.406.634.825.316,08 1.785.183.099.796,32 21.030.459.693,35 1.748.246.751.781,66 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.629.129.307.276,92 1.428.884.273.512,17 1.829.374.341.041,67 22.249.448.196,08 1.806.213.559.489,66 20 Agustus 1.879.963.264.481,32 1.654.212.702.997,36 1.451.417.116.460,69 1.857.008.289.534,03 22.532.842.948,52 1.851.623.789.237,75 21 September 2.000.901.948.152,24 1.688.881.627.512,85 1.475.163.567.565,90 1.902.599.687.459,79 23.746.451.105,22 1.879.541.132.482,55 22 Oktober 1.929.675.298.230,68 1.712.960.994.584,63 1.498.943.310.267,78 1.926.978.678.901,48 23.779.742.701,87 1.926.346.138.565,01 23 November 2.031.843.737.356,38 1.744.849.268.861,81 1.523.533.906.127,18 1.966.164.631.596,43 24.590.595.859,40 1.950.758.421.603,36 24 Desember 2.301.298.140.603,40 1.800.494.156.035,97 1.551.229.931.118,06 2.049.758.380.953,87 27.696.024.990,88 1.990.755.227.455,83 25 Januari 2.218.822.682.340,98 1.842.327.008.666,47 1.580.339.638.872,90 2.104.314.378.460,03 29.109.707.754,84 2.077.454.405.944,75 26 Februari 2.101.835.639.324,57 1.868.277.871.732,28 1.609.133.462.158,84 2.127.422.281.305,72 28.793.823.285,94 2.133.424.086.214,88 27 Maret 2.179.585.623.051,96 1.899.408.646.864,25 1.638.160.980.629,38 2.160.656.313.099,11 29.027.518.470,54 2.156.216.104.591,66 28 April 2.085.327.285.783,91 1.918.000.510.756,21 1.666.144.933.642,06 2.169.856.087.870,36 27.983.953.012,68 2.189.683.831.569,65 29 Mei 2.194.264.026.611,27 1.945.626.862.341,72 1.694.093.126.512,03 2.197.160.598.171,41 27.948.192.869,97 2.197.840.040.883,05 30 Juni 2.101.519.761.225,70 1.961.216.152.230,12 1.720.805.429.083,84 2.201.626.875.376,40 26.712.302.571,81 2.225.108.791.041,37 31 Juli 2.164.270.437.104,46 1.981.521.580.717,55 1.746.877.044.247,21 2.216.166.117.187,89 26.071.615.163,37 2.228.339.177.948,21 32 Agustus 2.134.385.442.655,94 1.996.807.966.911,39 1.771.870.136.513,63 2.221.745.797.309,15 24.993.092.266,42 2.242.237.732.351,27 33 September 2.286.247.515.411,65 2.025.751.921.761,42 1.797.258.315.038,41 2.254.245.528.484,43 25.388.178.524,78 2.246.738.889.575,57 34 Oktober 2.302.567.169.597,70 2.053.433.446.545,04 1.822.875.828.189,07 2.283.991.064.901,02 25.617.513.150,66 2.279.633.707.009,21 35 November 2.357.357.294.388,94 2.083.825.831.329,43 1.848.970.828.503,11 2.318.680.834.155,76 26.095.000.314,04 2.309.608.578.051,68 36 Desember 2.868.540.344.551,54 2.162.297.282.651,64 1.880.303.473.917,96 2.444.291.091.385,33 31.332.645.414,85 2.344.775.834.469,80 37 2.475.623.736.800,18 Universitas Sumatera Utara Tabel 4.3 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,2 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.294.207.420.644,39 1.306.541.618.262,29 1.281.873.223.026,49 -3.083.549.404,48 - 3 Maret 1.241.084.363.541,47 1.283.582.809.223,81 1.301.949.856.454,60 1.265.215.761.993,02 -4.591.761.807,70 1.278.789.673.622,01 4 April 1.187.011.257.648,35 1.264.268.498.908,71 1.294.413.584.945,42 1.234.123.412.872,01 -7.536.271.509,18 1.260.624.000.185,32 5 Mei 1.257.869.152.259,79 1.262.988.629.578,93 1.288.128.593.872,12 1.237.848.665.285,74 -6.284.991.073,30 1.226.587.141.362,83 6 Juni 1.214.445.678.449,05 1.253.280.039.352,95 1.281.158.882.968,29 1.225.401.195.737,62 -6.969.710.903,83 1.231.563.674.212,44 7 Juli 1.286.450.163.347,43 1.259.914.064.151,85 1.276.909.919.205,00 1.242.918.209.098,70 -4.248.963.763,29 1.218.431.484.833,79 8 Agustus 1.374.588.841.075,17 1.282.849.019.536,51 1.278.097.739.271,30 1.287.600.299.801,72 1.187.820.066,30 1.238.669.245.335,41 9 September 1.377.233.338.027,13 1.301.725.883.234,64 1.282.823.368.063,97 1.320.628.398.405,30 4.725.628.792,67 1.288.788.119.868,03 10 Oktober 1.421.809.308.810,00 1.325.742.568.349,71 1.291.407.208.121,12 1.360.077.928.578,30 8.583.840.057,15 1.325.354.027.197,97 11 November 1.562.795.646.229,35 1.373.153.183.925,64 1.307.756.403.282,02 1.438.549.964.569,25 16.349.195.160,90 1.368.661.768.635,45 12 Desember 1.753.564.055.381,30 1.449.235.358.216,77 1.336.052.194.268,97 1.562.418.522.164,57 28.295.790.986,95 1.454.899.159.730,16 13 Januari 1.834.237.895.841,06 1.526.235.865.741,63 1.374.088.928.563,50 1.678.382.802.919,75 38.036.734.294,53 1.590.714.313.151,52 14 Februari 1.773.409.139.971,69 1.575.670.520.587,64 1.414.405.246.968,33 1.736.935.794.206,95 40.316.318.404,83 1.716.419.537.214,29 15 Maret 1.782.879.477.202,94 1.617.112.311.910,70 1.454.946.659.956,80 1.779.277.963.864,60 40.541.412.988,47 1.777.252.112.611,78 16 April 1.817.626.388.093,57 1.657.215.127.147,27 1.495.400.353.394,90 1.819.029.900.899,65 40.453.693.438,09 1.819.819.376.853,07 17 Mei 1.875.032.542.923,48 1.700.778.610.302,52 1.536.476.004.776,42 1.865.081.215.828,61 41.075.651.381,52 1.859.483.594.337,74 18 Juni 1.942.648.583.437,74 1.749.152.604.929,56 1.579.011.324.807,05 1.919.293.885.052,07 42.535.320.030,63 1.906.156.867.210,13 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.784.944.565.896,32 1.620.197.973.024,91 1.949.691.158.767,74 41.186.648.217,85 1.961.829.205.082,70 20 Agustus 1.879.963.264.481,32 1.803.948.305.613,32 1.656.948.039.542,59 1.950.948.571.684,06 36.750.066.517,68 1.990.877.806.985,60 21 September 2.000.901.948.152,24 1.843.339.034.121,11 1.694.226.238.458,29 1.992.451.829.783,92 37.278.198.915,70 1.987.698.638.201,74 22 Oktober 1.929.675.298.230,68 1.860.606.286.943,02 1.727.502.248.155,24 1.993.710.325.730,80 33.276.009.696,95 2.029.730.028.699,63 23 November 2.031.843.737.356,38 1.894.853.777.025,69 1.760.972.553.929,33 2.028.735.000.122,06 33.470.305.774,09 2.026.986.335.427,75 24 Desember 2.301.298.140.603,40 1.976.142.649.741,23 1.804.006.573.091,71 2.148.278.726.390,76 43.034.019.162,38 2.062.205.305.896,15 25 Januari 2.218.822.682.340,98 2.024.678.656.261,18 1.848.140.989.725,61 2.201.216.322.796,76 44.134.416.633,89 2.191.312.745.553,14 26 Februari 2.101.835.639.324,57 2.040.110.052.873,86 1.886.534.802.355,26 2.193.685.303.392,47 38.393.812.629,65 2.245.350.739.430,66 27 Maret 2.179.585.623.051,96 2.068.005.166.909,48 1.922.828.875.266,10 2.213.181.458.552,86 36.294.072.910,84 2.232.079.116.022,12 28 April 2.085.327.285.783,91 2.071.469.590.684,37 1.952.557.018.349,75 2.190.382.163.018,98 29.728.143.083,65 2.249.475.531.463,71 29 Mei 2.194.264.026.611,27 2.096.028.477.869,75 1.981.251.310.253,75 2.210.805.645.485,74 28.694.291.904,00 2.220.110.306.102,63 30 Juni 2.101.519.761.225,70 2.097.126.734.540,94 2.004.426.395.111,19 2.189.827.073.970,69 23.175.084.857,44 2.239.499.937.389,74 31 Juli 2.164.270.437.104,46 2.110.555.475.053,64 2.025.652.211.099,68 2.195.458.739.007,60 21.225.815.988,49 2.213.002.158.828,12 32 Agustus 2.134.385.442.655,94 2.115.321.468.574,10 2.043.586.062.594,57 2.187.056.874.553,64 17.933.851.494,88 2.216.684.554.996,09 33 September 2.286.247.515.411,65 2.149.506.677.941,61 2.064.770.185.663,97 2.234.243.170.219,25 21.184.123.069,41 2.204.990.726.048,52 34 Oktober 2.302.567.169.597,70 2.180.118.776.272,83 2.087.839.903.785,75 2.272.397.648.759,91 23.069.718.121,77 2.255.427.293.288,66 35 November 2.357.357.294.388,94 2.215.566.479.896,05 2.113.385.219.007,81 2.317.747.740.784,30 25.545.315.222,06 2.295.467.366.881,68 36 Desember 2.868.540.344.551,54 2.346.161.252.827,15 2.159.940.425.771,68 2.532.382.079.882,62 46.555.206.763,87 2.343.293.056.006,36 37 2.578.937.286.646,49 Universitas Sumatera Utara Tabel 4.4 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,3 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.286.498.547.133,20 1.302.687.181.506,70 1.263.371.926.599,63 -6.937.986.160,07 - 3 Maret 1.241.084.363.541,47 1.272.874.292.055,68 1.293.743.314.671,39 1.243.061.402.604,66 -8.943.866.835,31 1.256.433.940.439,56 4 April 1.187.011.257.648,35 1.247.115.381.733,48 1.279.754.934.790,02 1.200.487.448.795,57 -13.988.379.881,37 1.234.117.535.769,36 5 Mei 1.257.869.152.259,79 1.250.341.512.891,37 1.270.930.908.220,43 1.220.928.090.992,73 -8.824.026.569,59 1.186.499.068.914,20 6 Juni 1.214.445.678.449,05 1.239.572.762.558,68 1.261.523.464.521,90 1.208.214.616.896,93 -9.407.443.698,52 1.212.104.064.423,13 7 Juli 1.286.450.163.347,43 1.253.635.982.795,30 1.259.157.220.003,92 1.245.748.501.068,70 -2.366.244.517,98 1.198.807.173.198,40 8 Agustus 1.374.588.841.075,17 1.289.921.840.279,26 1.268.386.606.086,52 1.320.686.460.554,60 9.229.386.082,60 1.243.382.256.550,72 9 September 1.377.233.338.027,13 1.316.115.289.603,62 1.282.705.211.141,65 1.363.843.973.120,72 14.318.605.055,13 1.329.915.846.637,21 10 Oktober 1.421.809.308.810,00 1.347.823.495.365,54 1.302.240.696.408,82 1.412.941.779.589,42 19.535.485.267,16 1.378.162.578.175,85 11 November 1.562.795.646.229,35 1.412.315.140.624,68 1.335.263.029.673,58 1.522.389.584.840,54 33.022.333.264,76 1.432.477.264.856,58 12 Desember 1.753.564.055.381,30 1.514.689.815.051,67 1.389.091.065.287,00 1.694.116.600.429,76 53.828.035.613,43 1.555.411.918.105,30 13 Januari 1.834.237.895.841,06 1.610.554.239.288,48 1.455.530.017.487,45 1.832.017.413.289,96 66.438.952.200,44 1.747.944.636.043,18 14 Februari 1.773.409.139.971,69 1.659.410.709.493,45 1.516.694.225.089,25 1.863.291.401.499,44 61.164.207.601,80 1.898.456.365.490,41 15 Maret 1.782.879.477.202,94 1.696.451.339.806,29 1.570.621.359.504,36 1.876.208.454.523,34 53.927.134.415,11 1.924.455.609.101,24 16 April 1.817.626.388.093,57 1.732.803.854.292,48 1.619.276.107.940,80 1.894.986.349.080,59 48.654.748.436,43 1.930.135.588.938,45 17 Mei 1.875.032.542.923,48 1.775.472.460.881,78 1.666.135.013.823,09 1.931.668.813.822,76 46.858.905.882,29 1.943.641.097.517,03 18 Juni 1.942.648.583.437,74 1.825.625.297.648,57 1.713.982.098.970,73 1.985.115.581.474,04 47.847.085.147,64 1.978.527.719.705,05 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.856.371.431.283,01 1.756.698.898.664,42 1.998.760.763.595,29 42.716.799.693,68 2.032.962.666.621,68 20 Agustus 1.879.963.264.481,32 1.863.448.981.242,50 1.788.723.923.437,84 1.970.199.063.820,59 32.025.024.773,43 2.041.477.563.288,97 21 September 2.000.901.948.152,24 1.904.684.871.315,42 1.823.512.207.801,12 2.020.645.819.193,01 34.788.284.363,27 2.002.224.088.594,02 22 Oktober 1.929.675.298.230,68 1.912.181.999.390,00 1.850.113.145.277,78 2.000.851.790.978,89 26.600.937.476,67 2.055.434.103.556,28 23 November 2.031.843.737.356,38 1.948.080.520.779,91 1.879.503.357.928,42 2.046.047.896.282,05 29.390.212.650,64 2.027.452.728.455,55 24 Desember 2.301.298.140.603,40 2.054.045.806.726,96 1.931.866.092.567,98 2.228.588.255.525,50 52.362.734.639,56 2.075.438.108.932,69 25 Januari 2.218.822.682.340,98 2.103.478.869.411,17 1.983.349.925.620,94 2.275.091.646.254,35 51.483.833.052,96 2.280.950.990.165,06 26 Februari 2.101.835.639.324,57 2.102.985.900.385,19 2.019.240.718.050,21 2.222.621.875.149,44 35.890.792.429,27 2.326.575.479.307,30 27 Maret 2.179.585.623.051,96 2.125.965.817.185,22 2.051.258.247.790,71 2.232.690.916.320,23 32.017.529.740,50 2.258.512.667.578,71 28 April 2.085.327.285.783,91 2.113.774.257.764,83 2.070.013.050.782,95 2.176.290.267.738,94 18.754.802.992,23 2.264.708.446.060,73 29 Mei 2.194.264.026.611,27 2.137.921.188.418,76 2.090.385.492.073,69 2.205.829.326.054,57 20.372.441.290,74 2.195.045.070.731,17 30 Juni 2.101.519.761.225,70 2.127.000.760.260,84 2.101.370.072.529,84 2.163.616.028.447,99 10.984.580.456,15 2.226.201.767.345,31 31 Juli 2.164.270.437.104,46 2.138.181.663.313,93 2.112.413.549.765,06 2.174.993.254.098,02 11.043.477.235,23 2.174.600.608.904,14 32 Agustus 2.134.385.442.655,94 2.137.042.797.116,53 2.119.802.323.970,50 2.161.672.044.468,00 7.388.774.205,44 2.186.036.731.333,24 33 September 2.286.247.515.411,65 2.181.804.212.605,07 2.138.402.890.560,87 2.243.806.101.239,63 18.600.566.590,37 2.169.060.818.673,44 34 Oktober 2.302.567.169.597,70 2.218.033.099.702,86 2.162.291.953.303,47 2.297.663.308.844,84 23.889.062.742,60 2.262.406.667.830,00 35 November 2.357.357.294.388,94 2.259.830.358.108,68 2.191.553.474.745,03 2.357.368.762.913,90 29.261.521.441,56 2.321.552.371.587,44 36 Desember 2.868.540.344.551,54 2.442.443.354.041,54 2.266.820.438.533,98 2.693.333.233.338,05 75.266.963.788,95 2.386.630.284.355,46 37 2.768.600.197.127,00 Universitas Sumatera Utara Tabel 4.5 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,4 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.278.789.673.622,01 1.297.290.970.048,87 1.260.288.377.195,15 -12.334.197.617,90 - 3 Maret 1.241.084.363.541,47 1.263.707.549.589,79 1.283.857.601.865,24 1.243.557.497.314,35 -13.433.368.183,63 1.247.954.179.577,25 4 April 1.187.011.257.648,35 1.233.029.032.813,22 1.263.526.174.244,43 1.202.531.891.382,00 -20.331.427.620,81 1.230.124.129.130,72 5 Mei 1.257.869.152.259,79 1.242.965.080.591,85 1.255.301.736.783,40 1.230.628.424.400,30 -8.224.437.461,03 1.182.200.463.761,20 6 Juni 1.214.445.678.449,05 1.231.557.319.734,73 1.245.803.969.963,93 1.217.310.669.505,53 -9.497.766.819,47 1.222.403.986.939,26 7 Juli 1.286.450.163.347,43 1.253.514.457.179,81 1.248.888.164.850,28 1.258.140.749.509,34 3.084.194.886,35 1.207.812.902.686,06 8 Agustus 1.374.588.841.075,17 1.301.944.210.737,95 1.270.110.583.205,35 1.333.777.838.270,56 21.222.418.355,07 1.261.224.944.395,69 9 September 1.377.233.338.027,13 1.332.059.861.653,62 1.294.890.294.584,66 1.369.229.428.722,59 24.779.711.379,31 1.355.000.256.625,63 10 Oktober 1.421.809.308.810,00 1.367.959.640.516,17 1.324.118.032.957,27 1.411.801.248.075,08 29.227.738.372,61 1.394.009.140.101,90 11 November 1.562.795.646.229,35 1.445.894.042.801,44 1.372.828.436.894,94 1.518.959.648.707,95 48.710.403.937,67 1.441.028.986.447,69 12 Desember 1.753.564.055.381,30 1.568.962.047.833,39 1.451.281.881.270,32 1.686.642.214.396,46 78.453.444.375,38 1.567.670.052.645,62 13 Januari 1.834.237.895.841,06 1.675.072.387.036,46 1.540.798.083.576,77 1.809.346.690.496,14 89.516.202.306,46 1.765.095.658.771,84 14 Februari 1.773.409.139.971,69 1.714.407.088.210,55 1.610.241.685.430,28 1.818.572.490.990,82 69.443.601.853,51 1.898.862.892.802,60 15 Maret 1.782.879.477.202,94 1.741.796.043.807,51 1.662.863.428.781,17 1.820.728.658.833,84 52.621.743.350,89 1.888.016.092.844,33 16 April 1.817.626.388.093,57 1.772.128.181.521,93 1.706.569.329.877,48 1.837.687.033.166,39 43.705.901.096,30 1.873.350.402.184,73 17 Mei 1.875.032.542.923,48 1.813.289.926.082,55 1.749.257.568.359,51 1.877.322.283.805,60 42.688.238.482,03 1.881.392.934.262,69 18 Juni 1.942.648.583.437,74 1.865.033.389.024,63 1.795.567.896.625,55 1.934.498.881.423,70 46.310.328.266,05 1.920.010.522.287,63 33 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.890.264.997.320,13 1.833.446.736.903,38 1.947.083.257.736,87 37.878.840.277,83 1.980.809.209.689,75 20 Agustus 1.879.963.264.481,32 1.886.144.304.184,60 1.854.525.763.815,87 1.917.762.844.553,34 21.079.026.912,49 1.984.962.098.014,70 21 September 2.000.901.948.152,24 1.932.047.361.771,66 1.885.534.402.998,19 1.978.560.320.545,13 31.008.639.182,31 1.938.841.871.465,83 22 Oktober 1.929.675.298.230,68 1.931.098.536.355,27 1.903.760.056.341,02 1.958.437.016.369,52 18.225.653.342,83 2.009.568.959.727,45 23 November 2.031.843.737.356,38 1.971.396.616.755,71 1.930.814.680.506,90 2.011.978.553.004,53 27.054.624.165,88 1.976.662.669.712,35 24 Desember 2.301.298.140.603,40 2.103.357.226.294,79 1.999.831.698.822,05 2.206.882.753.767,52 69.017.018.315,16 2.039.033.177.170,41 25 Januari 2.218.822.682.340,98 2.149.543.408.713,26 2.059.716.382.778,54 2.239.370.434.647,99 59.884.683.956,48 2.275.899.772.082,68 26 Februari 2.101.835.639.324,57 2.130.460.300.957,79 2.088.013.950.050,24 2.172.906.651.865,34 28.297.567.271,70 2.299.255.118.604,48 27 Maret 2.179.585.623.051,96 2.150.110.429.795,46 2.112.852.541.948,32 2.187.368.317.642,59 24.838.591.898,09 2.201.204.219.137,04 28 April 2.085.327.285.783,91 2.124.197.172.190,84 2.117.390.394.045,33 2.131.003.950.336,35 4.537.852.097,01 2.212.206.909.540,67 29 Mei 2.194.264.026.611,27 2.152.223.913.959,01 2.131.323.802.010,80 2.173.124.025.907,22 13.933.407.965,47 2.135.541.802.433,35 30 Juni 2.101.519.761.225,70 2.131.942.252.865,69 2.131.571.182.352,76 2.132.313.323.378,62 247.380.341,95 2.187.057.433.872,69 31 Juli 2.164.270.437.104,46 2.144.873.526.561,20 2.136.892.120.036,13 2.152.854.933.086,26 5.320.937.683,38 2.132.560.703.720,57 32 Agustus 2.134.385.442.655,94 2.140.678.292.999,09 2.138.406.589.221,32 2.142.949.996.776,87 1.514.469.185,18 2.158.175.870.769,64 33 September 2.286.247.515.411,65 2.198.905.981.964,12 2.162.606.346.318,44 2.235.205.617.609,80 24.199.757.097,12 2.144.464.465.962,06 34 Oktober 2.302.567.169.597,70 2.240.370.457.017,55 2.193.711.990.598,08 2.287.028.923.437,02 31.105.644.279,65 2.259.405.374.706,92 35 November 2.357.357.294.388,94 2.287.165.191.966,11 2.231.093.271.145,29 2.343.237.112.786,92 37.381.280.547,21 2.318.134.567.716,66 36 Desember 2.868.540.344.551,54 2.519.715.253.000,28 2.346.542.063.887,29 2.692.888.442.113,27 115.448.792.742,00 2.380.618.393.334,13 37 2.808.337.234.855,27 Universitas Sumatera Utara Tabel 4.6 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,5 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.271.080.800.110,82 1.290.352.983.888,79 1.251.808.616.332,85 -19.272.183.777,97 - 3 Maret 1.241.084.363.541,47 1.256.082.581.826,15 1.273.217.782.857,47 1.238.947.380.794,82 -17.135.201.031,33 1.232.536.432.554,87 4 April 1.187.011.257.648,35 1.221.546.919.737,25 1.247.382.351.297,36 1.195.711.488.177,14 -25.835.431.560,11 1.221.812.179.763,50 5 Mei 1.257.869.152.259,79 1.239.708.035.998,52 1.243.545.193.647,94 1.235.870.878.349,10 -3.837.157.649,42 1.169.876.056.617,02 6 Juni 1.214.445.678.449,05 1.227.076.857.223,78 1.235.311.025.435,86 1.218.842.689.011,71 -8.234.168.212,08 1.232.033.720.699,68 7 Juli 1.286.450.163.347,43 1.256.763.510.285,61 1.246.037.267.860,73 1.267.489.752.710,48 10.726.242.424,87 1.210.608.520.799,63 8 Agustus 1.374.588.841.075,17 1.315.676.175.680,39 1.280.856.721.770,56 1.350.495.629.590,22 34.819.453.909,83 1.278.215.995.135,35 9 September 1.377.233.338.027,13 1.346.454.756.853,76 1.313.655.739.312,16 1.379.253.774.395,36 32.799.017.541,60 1.385.315.083.500,04 10 Oktober 1.421.809.308.810,00 1.384.132.032.831,88 1.348.893.886.072,02 1.419.370.179.591,74 35.238.146.759,86 1.412.052.791.936,96 11 November 1.562.795.646.229,35 1.473.463.839.530,61 1.411.178.862.801,32 1.535.748.816.259,91 62.284.976.729,30 1.454.608.326.351,60 12 Desember 1.753.564.055.381,30 1.613.513.947.455,96 1.512.346.405.128,64 1.714.681.489.783,28 101.167.542.327,32 1.598.033.792.989,21 13 Januari 1.834.237.895.841,06 1.723.875.921.648,51 1.618.111.163.388,57 1.829.640.679.908,44 105.764.758.259,94 1.815.849.032.110,60 14 Februari 1.773.409.139.971,69 1.748.642.530.810,10 1.683.376.847.099,34 1.813.908.214.520,86 65.265.683.710,76 1.935.405.438.168,38 15 Maret 1.782.879.477.202,94 1.765.761.004.006,52 1.724.568.925.552,93 1.806.953.082.460,11 41.192.078.453,59 1.879.173.898.231,63 16 April 1.817.626.388.093,57 1.791.693.696.050,04 1.758.131.310.801,49 1.825.256.081.298,60 33.562.385.248,56 1.848.145.160.913,70 17 Mei 1.875.032.542.923,48 1.833.363.119.486,76 1.795.747.215.144,12 1.870.979.023.829,40 37.615.904.342,64 1.858.818.466.547,16 18 Juni 1.942.648.583.437,74 1.888.005.851.462,25 1.841.876.533.303,19 1.934.135.169.621,31 46.129.318.159,06 1.908.594.928.172,04 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.908.059.130.612,82 1.874.967.831.958,00 1.941.150.429.267,63 33.091.298.654,81 1.980.264.487.780,38 20 Agustus 1.879.963.264.481,32 1.894.011.197.547,07 1.884.489.514.752,53 1.903.532.880.341,60 9.521.682.794,53 1.974.241.727.922,44 21 September 2.000.901.948.152,24 1.947.456.572.849,65 1.915.973.043.801,09 1.978.940.101.898,21 31.483.529.048,56 1.913.054.563.136,13 22 Oktober 1.929.675.298.230,68 1.938.565.935.540,17 1.927.269.489.670,63 1.949.862.381.409,70 11.296.445.869,54 2.010.423.630.946,77 23 November 2.031.843.737.356,38 1.985.204.836.448,27 1.956.237.163.059,45 2.014.172.509.837,09 28.967.673.388,82 1.961.158.827.279,24 24 Desember 2.301.298.140.603,40 2.143.251.488.525,84 2.049.744.325.792,64 2.236.758.651.259,03 93.507.162.733,19 2.043.140.183.225,92 25 Januari 2.218.822.682.340,98 2.181.037.085.433,41 2.115.390.705.613,03 2.246.683.465.253,79 65.646.379.820,38 2.330.265.813.992,22 26 Februari 2.101.835.639.324,57 2.141.436.362.378,99 2.128.413.533.996,01 2.154.459.190.761,97 13.022.828.382,98 2.312.329.845.074,17 27 Maret 2.179.585.623.051,96 2.160.510.992.715,47 2.144.462.263.355,74 2.176.559.722.075,21 16.048.729.359,73 2.167.482.019.144,95 28 April 2.085.327.285.783,91 2.122.919.139.249,69 2.133.690.701.302,72 2.112.147.577.196,67 -10.771.562.053,02 2.192.608.451.434,94 29 Mei 2.194.264.026.611,27 2.158.591.582.930,48 2.146.141.142.116,60 2.171.042.023.744,36 12.450.440.813,88 2.101.376.015.143,64 30 Juni 2.101.519.761.225,70 2.130.055.672.078,09 2.138.098.407.097,34 2.122.012.937.058,84 -8.042.735.019,25 2.183.492.464.558,25 31 Juli 2.164.270.437.104,46 2.147.163.054.591,28 2.142.630.730.844,31 2.151.695.378.338,24 4.532.323.746,97 2.113.970.202.039,58 32 Agustus 2.134.385.442.655,94 2.140.774.248.623,61 2.141.702.489.733,96 2.139.846.007.513,26 -928.241.110,35 2.156.227.702.085,21 33 September 2.286.247.515.411,65 2.213.510.882.017,63 2.177.606.685.875,79 2.249.415.078.159,46 35.904.196.141,84 2.138.917.766.402,91 34 Oktober 2.302.567.169.597,70 2.258.039.025.807,66 2.217.822.855.841,73 2.298.255.195.773,60 40.216.169.965,94 2.285.319.274.301,30 35 November 2.357.357.294.388,94 2.307.698.160.098,30 2.262.760.507.970,02 2.352.635.812.226,59 44.937.652.128,29 2.338.471.365.739,53 36 Desember 2.868.540.344.551,54 2.588.119.252.324,92 2.425.439.880.147,47 2.750.798.624.502,37 162.679.372.177,45 2.397.573.464.354,88 37 2.913.477.996.679,83 Universitas Sumatera Utara Tabel 4.7 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,6 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.263.371.926.599,63 1.281.873.223.026,49 1.244.870.630.172,77 -27.751.944.640,28 - 3 Maret 1.241.084.363.541,47 1.249.999.388.764,73 1.262.748.922.469,43 1.237.249.855.060,03 -19.124.300.557,05 1.217.118.685.532,49 4 April 1.187.011.257.648,35 1.212.206.510.094,90 1.232.423.475.044,72 1.191.989.545.145,09 -30.325.447.424,72 1.218.125.554.502,98 5 Mei 1.257.869.152.259,79 1.239.604.095.393,84 1.236.731.847.254,19 1.242.476.343.533,48 4.308.372.209,47 1.161.664.097.720,37 6 Juni 1.214.445.678.449,05 1.224.509.045.226,96 1.229.398.166.037,85 1.219.619.924.416,07 -7.333.681.216,33 1.246.784.715.742,95 7 Juli 1.286.450.163.347,43 1.261.673.716.099,24 1.248.763.496.074,69 1.274.583.936.123,80 19.365.330.036,83 1.212.286.243.199,74 8 Agustus 1.374.588.841.075,17 1.329.422.791.084,80 1.297.159.073.080,75 1.361.686.509.088,84 48.395.577.006,07 1.293.949.266.160,63 9 September 1.377.233.338.027,13 1.358.109.119.250,20 1.333.729.100.782,42 1.382.489.137.717,98 36.570.027.701,67 1.410.082.086.094,91 10 Oktober 1.421.809.308.810,00 1.396.329.232.986,08 1.371.289.180.104,62 1.421.369.285.867,54 37.560.079.322,20 1.419.059.165.419,64 11 November 1.562.795.646.229,35 1.496.209.080.932,04 1.446.241.120.601,07 1.546.177.041.263,01 74.951.940.496,46 1.458.929.365.189,74 12 Desember 1.753.564.055.381,30 1.650.622.065.601,60 1.568.869.687.601,39 1.732.374.443.601,81 122.628.567.000,32 1.621.128.981.759,47 13 Januari 1.834.237.895.841,06 1.760.791.563.745,27 1.684.022.813.287,72 1.837.560.314.202,83 115.153.125.686,33 1.855.003.010.602,12 14 Februari 1.773.409.139.971,69 1.768.362.109.481,12 1.734.626.391.003,76 1.802.097.827.958,49 50.603.577.716,04 1.952.713.439.889,16 15 Maret 1.782.879.477.202,94 1.777.072.530.114,21 1.760.094.074.470,03 1.794.050.985.758,39 25.467.683.466,27 1.852.701.405.674,53 16 April 1.817.626.388.093,57 1.801.404.844.901,83 1.784.880.536.729,11 1.817.929.153.074,55 24.786.462.259,08 1.819.518.669.224,67 17 Mei 1.875.032.542.923,48 1.845.581.463.714,82 1.821.301.092.920,54 1.869.861.834.509,10 36.420.556.191,43 1.842.715.615.333,62 18 Juni 1.942.648.583.437,74 1.903.821.735.548,57 1.870.813.478.497,36 1.936.829.992.599,79 49.512.385.576,82 1.906.282.390.700,53 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.918.396.140.077,46 1.899.363.075.445,42 1.937.429.204.709,50 28.549.596.948,06 1.986.342.378.176,61 20 Agustus 1.879.963.264.481,32 1.895.336.414.719,77 1.896.947.079.010,03 1.893.725.750.429,52 -2.415.996.435,39 1.965.978.801.657,56 21 September 2.000.901.948.152,24 1.958.675.734.779,25 1.933.984.272.471,56 1.983.367.197.086,94 37.037.193.461,53 1.891.309.753.994,13 22 Oktober 1.929.675.298.230,68 1.941.275.472.850,11 1.938.358.992.698,69 1.944.191.953.001,53 4.374.720.227,13 2.020.404.390.548,48 23 November 2.031.843.737.356,38 1.995.616.431.553,87 1.972.713.456.011,80 2.018.519.407.095,94 34.354.463.313,11 1.948.566.673.228,65 24 Desember 2.301.298.140.603,40 2.179.025.456.983,59 2.096.500.656.594,87 2.261.550.257.372,30 123.787.200.583,07 2.052.873.870.409,05 25 Januari 2.218.822.682.340,98 2.202.903.792.198,02 2.160.342.537.956,76 2.245.465.046.439,28 63.841.881.361,89 2.385.337.457.955,38 26 Februari 2.101.835.639.324,57 2.142.262.900.473,95 2.149.494.755.467,08 2.135.031.045.480,83 -10.847.782.489,69 2.309.306.927.801,17 27 Maret 2.179.585.623.051,96 2.164.656.534.020,76 2.158.591.822.599,28 2.170.721.245.442,23 9.097.067.132,21 2.124.183.262.991,14 28 April 2.085.327.285.783,91 2.117.058.985.078,65 2.133.672.120.086,90 2.100.445.850.070,39 -24.919.702.512,38 2.179.818.312.574,44 29 Mei 2.194.264.026.611,27 2.163.382.009.998,22 2.151.498.054.033,69 2.175.265.965.962,75 17.825.933.946,79 2.075.526.147.558,01 30 Juni 2.101.519.761.225,70 2.126.264.660.734,71 2.136.358.018.054,30 2.116.171.303.415,11 -15.140.035.979,39 2.193.091.899.909,54 31 Juli 2.164.270.437.104,46 2.149.068.126.556,56 2.143.984.083.155,66 2.154.152.169.957,46 7.626.065.101,35 2.101.031.267.435,72 32 Agustus 2.134.385.442.655,94 2.140.258.516.216,19 2.141.748.742.991,98 2.138.768.289.440,40 -2.235.340.163,68 2.161.778.235.058,82 33 September 2.286.247.515.411,65 2.227.851.915.733,47 2.193.410.646.636,87 2.262.293.184.830,06 51.661.903.644,89 2.136.532.949.276,72 34 Oktober 2.302.567.169.597,70 2.272.681.068.052,01 2.240.972.899.485,95 2.304.389.236.618,06 47.562.252.849,08 2.313.955.088.474,96 35 November 2.357.357.294.388,94 2.323.486.803.854,17 2.290.481.242.106,88 2.356.492.365.601,45 49.508.342.620,93 2.351.951.489.467,14 36 Desember 2.868.540.344.551,54 2.650.518.928.272,59 2.506.503.853.806,31 2.794.534.002.738,87 216.022.611.699,43 2.406.000.708.222,38 37 3.010.556.614.438,30 Universitas Sumatera Utara Tabel 4.8 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,7 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.255.663.053.088,44 1.271.851.687.461,94 1.239.474.418.714,94 -37.773.480.204,83 - 3 Maret 1.241.084.363.541,47 1.245.457.970.405,56 1.253.376.085.522,47 1.237.539.855.288,65 -18.475.601.939,46 1.201.700.938.510,11 4 April 1.187.011.257.648,35 1.204.545.271.475,51 1.219.194.515.689,60 1.189.896.027.261,42 -34.181.569.832,87 1.219.064.253.349,18 5 Mei 1.257.869.152.259,79 1.241.871.988.024,51 1.235.068.746.324,04 1.248.675.229.724,98 15.874.230.634,43 1.155.714.457.428,55 6 Juni 1.214.445.678.449,05 1.222.673.571.321,69 1.226.392.123.822,39 1.218.955.018.820,98 -8.676.622.501,64 1.264.549.460.359,41 7 Juli 1.286.450.163.347,43 1.267.317.185.739,71 1.255.039.667.164,51 1.279.594.704.314,90 28.647.543.342,12 1.210.278.396.319,34 8 Agustus 1.374.588.841.075,17 1.342.407.344.474,53 1.316.197.041.281,53 1.368.617.647.667,54 61.157.374.117,01 1.308.242.247.657,02 9 September 1.377.233.338.027,13 1.366.785.539.961,35 1.351.608.990.357,40 1.381.962.089.565,30 35.411.949.075,88 1.429.775.021.784,55 10 Oktober 1.421.809.308.810,00 1.405.302.178.155,40 1.389.194.221.816,00 1.421.410.134.494,81 37.585.231.458,60 1.417.374.038.641,18 11 November 1.562.795.646.229,35 1.515.547.605.807,17 1.477.641.590.609,82 1.553.453.621.004,52 88.447.368.793,81 1.458.995.365.953,41 12 Desember 1.753.564.055.381,30 1.682.159.120.509,06 1.620.803.861.539,29 1.743.514.379.478,83 143.162.270.929,47 1.641.900.989.798,33 13 Januari 1.834.237.895.841,06 1.788.614.263.241,46 1.738.271.142.730,81 1.838.957.383.752,11 117.467.281.191,52 1.886.676.650.408,30 14 Februari 1.773.409.139.971,69 1.777.970.676.952,62 1.766.060.816.686,08 1.789.880.537.219,16 27.789.673.955,27 1.956.424.664.943,63 15 Maret 1.782.879.477.202,94 1.781.406.837.127,84 1.776.803.030.995,31 1.786.010.643.260,37 10.742.214.309,24 1.817.670.211.174,43 16 April 1.817.626.388.093,57 1.806.760.522.803,85 1.797.773.275.261,29 1.815.747.770.346,41 20.970.244.265,98 1.796.752.857.569,61 17 Mei 1.875.032.542.923,48 1.854.550.936.887,59 1.837.517.638.399,70 1.871.584.235.375,48 39.744.363.138,41 1.836.718.014.612,39 18 Juni 1.942.648.583.437,74 1.916.219.289.472,70 1.892.608.794.150,80 1.939.829.784.794,59 55.091.155.751,10 1.911.328.598.513,89 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.924.544.473.676,17 1.914.963.769.818,56 1.934.125.177.533,79 22.354.975.667,76 1.994.920.940.545,69 20 Agustus 1.879.963.264.481,32 1.893.337.627.239,78 1.899.825.470.013,41 1.886.849.784.466,14 -15.138.299.805,15 1.956.480.153.201,55 21 September 2.000.901.948.152,24 1.968.632.651.878,50 1.947.990.497.318,97 1.989.274.806.438,03 48.165.027.305,56 1.871.711.484.660,99 22 Oktober 1.929.675.298.230,68 1.941.362.504.325,03 1.943.350.902.223,21 1.939.374.106.426,84 -4.639.595.095,76 2.037.439.833.743,59 23 November 2.031.843.737.356,38 2.004.699.367.446,97 1.986.294.827.879,84 2.023.103.907.014,10 42.943.925.656,64 1.934.734.511.331,08 24 Desember 2.301.298.140.603,40 2.212.318.508.656,47 2.144.511.404.423,48 2.280.125.612.889,46 158.216.576.543,64 2.066.047.832.670,74 25 Januari 2.218.822.682.340,98 2.216.871.430.235,63 2.195.163.422.491,98 2.238.579.437.979,27 50.652.018.068,50 2.438.342.189.433,10 26 Februari 2.101.835.639.324,57 2.136.346.376.597,89 2.153.991.490.366,12 2.118.701.262.829,66 -41.171.932.125,87 2.289.231.456.047,77 27 Maret 2.179.585.623.051,96 2.166.613.849.115,74 2.162.827.141.490,85 2.170.400.556.740,62 8.835.651.124,74 2.077.529.330.703,79 28 April 2.085.327.285.783,91 2.109.713.254.783,46 2.125.647.420.795,68 2.093.779.088.771,24 -37.179.720.695,17 2.179.236.207.865,36 29 Mei 2.194.264.026.611,27 2.168.898.795.062,93 2.155.923.382.782,75 2.181.874.207.343,10 30.275.961.987,08 2.056.599.368.076,07 30 Juni 2.101.519.761.225,70 2.121.733.471.376,87 2.131.990.444.798,63 2.111.476.497.955,10 -23.932.937.984,12 2.212.150.169.330,18 31 Juli 2.164.270.437.104,46 2.151.509.347.386,18 2.145.653.676.609,92 2.157.365.018.162,45 13.663.231.811,28 2.087.543.559.970,98 32 Agustus 2.134.385.442.655,94 2.139.522.614.075,01 2.141.361.932.835,48 2.137.683.295.314,54 -4.291.743.774,43 2.171.028.249.973,73 33 September 2.286.247.515.411,65 2.242.230.045.010,66 2.211.969.611.358,11 2.272.490.478.663,21 70.607.678.522,62 2.133.391.551.540,11 34 Oktober 2.302.567.169.597,70 2.284.466.032.221,59 2.262.717.105.962,54 2.306.214.958.480,63 50.747.494.604,44 2.343.098.157.185,83 35 November 2.357.357.294.388,94 2.335.489.915.738,73 2.313.658.072.805,88 2.357.321.758.671,59 50.940.966.843,33 2.356.962.453.085,07 36 Desember 2.868.540.344.551,54 2.708.625.215.907,70 2.590.135.072.977,15 2.827.115.358.838,24 276.477.000.171,28 2.408.262.725.514,93 37 3.103.592.359.009,52 Universitas Sumatera Utara Tabel 4.9 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,8 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.247.954.179.577,25 1.260.288.377.195,15 1.235.619.981.959,35 -49.336.790.471,62 - 3 Maret 1.241.084.363.541,47 1.242.458.326.748,63 1.246.024.336.837,93 1.238.892.316.659,32 -14.264.040.357,22 1.186.283.191.487,73 4 April 1.187.011.257.648,35 1.198.100.671.468,41 1.207.685.404.542,31 1.188.515.938.394,50 -38.338.932.295,62 1.224.628.276.302,10 5 Mei 1.257.869.152.259,79 1.245.915.456.101,51 1.238.269.445.789,67 1.253.561.466.413,35 30.584.041.247,36 1.150.177.006.098,88 6 Juni 1.214.445.678.449,05 1.220.739.633.979,54 1.224.245.596.341,57 1.217.233.671.617,52 -14.023.849.448,10 1.284.145.507.660,72 7 Juli 1.286.450.163.347,43 1.273.308.057.473,85 1.263.495.565.247,40 1.283.120.549.700,31 39.249.968.905,83 1.203.209.822.169,41 8 Agustus 1.374.588.841.075,17 1.354.332.684.354,91 1.336.165.260.533,40 1.372.500.108.176,41 72.669.695.286,01 1.322.370.518.606,14 9 September 1.377.233.338.027,13 1.372.653.207.292,69 1.365.355.617.940,83 1.379.950.796.644,54 29.190.357.407,42 1.445.169.803.462,42 10 Oktober 1.421.809.308.810,00 1.411.978.088.506,54 1.402.653.594.393,40 1.421.302.582.619,68 37.297.976.452,57 1.409.141.154.051,96 11 November 1.562.795.646.229,35 1.532.632.134.684,79 1.506.636.426.626,51 1.558.627.842.743,07 103.982.832.233,11 1.458.600.559.072,25 12 Desember 1.753.564.055.381,30 1.709.377.671.242,00 1.668.829.422.318,90 1.749.925.920.165,10 162.192.995.692,39 1.662.610.674.976,18 13 Januari 1.834.237.895.841,06 1.809.265.850.921,25 1.781.178.565.200,78 1.837.353.136.641,72 112.349.142.881,88 1.912.118.915.857,49 14 Februari 1.773.409.139.971,69 1.780.580.482.161,60 1.780.700.098.769,44 1.780.460.865.553,77 -478.466.431,34 1.949.702.279.523,59 15 Maret 1.782.879.477.202,94 1.782.419.678.194,67 1.782.075.762.309,63 1.782.763.594.079,72 1.375.663.540,19 1.779.982.399.122,42 16 April 1.817.626.388.093,57 1.810.585.046.113,79 1.804.883.189.352,96 1.816.286.902.874,62 22.807.427.043,33 1.784.139.257.619,91 17 Mei 1.875.032.542.923,48 1.862.143.043.561,54 1.850.691.072.719,83 1.873.595.014.403,26 45.807.883.366,87 1.839.094.329.917,96 18 Juni 1.942.648.583.437,74 1.926.547.475.462,50 1.911.376.194.913,97 1.941.718.756.011,04 60.685.122.194,14 1.919.402.897.770,13 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.927.799.422.903,20 1.924.514.777.305,36 1.931.084.068.501,05 13.138.582.391,39 2.002.403.878.205,18 20 Agustus 1.879.963.264.481,32 1.889.530.496.165,70 1.896.527.352.393,63 1.882.533.639.937,77 -27.987.424.911,73 1.944.222.650.892,44 21 September 2.000.901.948.152,24 1.978.627.657.754,93 1.962.207.596.682,67 1.995.047.718.827,19 65.680.244.289,04 1.854.546.215.026,04 22 Oktober 1.929.675.298.230,68 1.939.465.770.135,53 1.944.014.135.444,96 1.934.917.404.826,10 -18.193.461.237,71 2.060.727.963.116,23 23 November 2.031.843.737.356,38 2.013.368.143.912,21 1.999.497.342.218,76 2.027.238.945.605,66 55.483.206.773,80 1.916.723.943.588,39 24 Desember 2.301.298.140.603,40 2.243.712.141.265,16 2.194.869.181.455,88 2.292.555.101.074,44 195.371.839.237,12 2.082.722.152.379,46 25 Januari 2.218.822.682.340,98 2.223.800.574.125,82 2.218.014.295.591,83 2.229.586.852.659,80 23.145.114.135,95 2.487.926.940.311,56 26 Februari 2.101.835.639.324,57 2.126.228.626.284,82 2.144.585.760.146,22 2.107.871.492.423,42 -73.428.535.445,61 2.252.731.966.795,75 27 Maret 2.179.585.623.051,96 2.168.914.223.698,53 2.164.048.530.988,07 2.173.779.916.408,99 19.462.770.841,85 2.034.442.956.977,81 28 April 2.085.327.285.783,91 2.102.044.673.366,83 2.114.445.444.891,08 2.089.643.901.842,59 -49.603.086.096,99 2.193.242.687.250,84 29 Mei 2.194.264.026.611,27 2.175.820.155.962,38 2.163.545.213.748,12 2.188.095.098.176,64 49.099.768.857,04 2.040.040.815.745,60 30 Juni 2.101.519.761.225,70 2.116.379.840.173,04 2.125.812.914.888,05 2.106.946.765.458,02 -37.732.298.860,07 2.237.194.867.033,68 31 Juli 2.164.270.437.104,46 2.154.692.317.718,18 2.148.916.437.152,15 2.160.468.198.284,20 23.103.522.264,10 2.069.214.466.597,95 32 Agustus 2.134.385.442.655,94 2.138.446.817.668,39 2.140.540.741.565,14 2.136.352.893.771,63 -8.375.695.587,01 2.183.571.720.548,30 33 September 2.286.247.515.411,65 2.256.687.375.863,00 2.233.458.049.003,43 2.279.916.702.722,57 92.917.307.438,29 2.127.977.198.184,62 34 Oktober 2.302.567.169.597,70 2.293.391.210.850,76 2.281.404.578.481,29 2.305.377.843.220,23 47.946.529.477,87 2.372.834.010.160,85 35 November 2.357.357.294.388,94 2.344.564.077.681,30 2.331.932.177.841,30 2.357.195.977.521,31 50.527.599.360,01 2.353.324.372.698,09 36 Desember 2.868.540.344.551,54 2.763.745.091.177,49 2.677.382.508.510,25 2.850.107.673.844,73 345.450.330.668,95 2.407.723.576.881,31 37 3.195.558.004.513,68 Universitas Sumatera Utara Tabel 4.10 Saldo Tabungan Martabe di PT. Bank Sumut Periode 2007 – 2009 α = 0,9 Periode Bulan Saldo Rp Forecast m=1 1 Januari 1.309.625.167.666,77 1.309.625.167.666,77 1.309.625.167.666,77 - - - 2 Februari 1.232.536.432.554,87 1.240.245.306.066,06 1.247.183.292.226,13 1.233.307.319.905,99 -62.441.875.440,64 - 3 Maret 1.241.084.363.541,47 1.241.000.457.793,93 1.241.618.741.237,15 1.240.382.174.350,71 -5.564.550.988,98 1.170.865.444.465,35 4 April 1.187.011.257.648,35 1.192.410.177.662,91 1.197.331.034.020,33 1.187.489.321.305,48 -44.287.707.216,82 1.234.817.623.361,73 5 Mei 1.257.869.152.259,79 1.251.323.254.800,10 1.245.924.032.722,12 1.256.722.476.878,08 48.592.998.701,79 1.143.201.614.088,67 6 Juni 1.214.445.678.449,05 1.218.133.436.084,16 1.220.912.495.747,95 1.215.354.376.420,36 -25.011.536.974,17 1.305.315.475.579,87 7 Juli 1.286.450.163.347,43 1.279.618.490.621,10 1.273.747.891.133,79 1.285.489.090.108,42 52.835.395.385,83 1.190.342.839.446,19 8 Agustus 1.374.588.841.075,17 1.365.091.806.029,76 1.355.957.414.540,17 1.374.226.197.519,36 82.209.523.406,38 1.338.324.485.494,25 9 September 1.377.233.338.027,13 1.376.019.184.827,39 1.374.013.007.798,67 1.378.025.361.856,12 18.055.593.258,50 1.456.435.720.925,74 10 Oktober 1.421.809.308.810,00 1.417.230.296.411,74 1.412.908.567.550,43 1.421.552.025.273,05 38.895.559.751,76 1.396.080.955.114,62 11 November 1.562.795.646.229,35 1.548.239.111.247,59 1.534.706.056.877,87 1.561.772.165.617,30 121.797.489.327,44 1.460.447.585.024,81 12 Desember 1.753.564.055.381,30 1.733.031.560.967,93 1.713.199.010.558,92 1.752.864.111.376,93 178.492.953.681,05 1.683.569.654.944,74 13 Januari 1.834.237.895.841,06 1.824.117.262.353,75 1.813.025.437.174,26 1.835.209.087.533,23 99.826.426.615,34 1.931.357.065.057,99 14 Februari 1.773.409.139.971,69 1.778.479.952.209,90 1.781.934.500.706,33 1.775.025.403.713,46 -31.090.936.467,93 1.935.035.514.148,57 15 Maret 1.782.879.477.202,94 1.782.439.524.703,64 1.782.389.022.303,91 1.782.490.027.103,37 454.521.597,57 1.743.934.467.245,53 16 April 1.817.626.388.093,57 1.814.107.701.754,58 1.810.935.833.809,51 1.817.279.569.699,64 28.546.811.505,60 1.782.944.548.700,94 17 Mei 1.875.032.542.923,48 1.868.940.058.806,59 1.863.139.636.306,88 1.874.740.481.306,30 52.203.802.497,37 1.845.826.381.205,25 18 Juni 1.942.648.583.437,74 1.935.277.730.974,62 1.928.063.921.507,85 1.942.491.540.441,40 64.924.285.200,97 1.926.944.283.803,67 Universitas Sumatera Utara 19 Juli 1.928.112.409.763,38 1.928.828.941.884,50 1.928.752.439.846,84 1.928.905.443.922,17 688.518.338,99 2.007.415.825.642,37 20 Agustus 1.879.963.264.481,32 1.884.849.832.221,64 1.889.240.092.984,16 1.880.459.571.459,12 -39.512.346.862,68 1.929.593.962.261,16 21 September 2.000.901.948.152,24 1.989.296.736.559,18 1.979.291.072.201,68 1.999.302.400.916,68 90.050.979.217,52 1.840.947.224.596,44 22 Oktober 1.929.675.298.230,68 1.935.637.442.063,53 1.940.002.805.077,34 1.931.272.079.049,72 -39.288.267.124,33 2.089.353.380.134,20 23 November 2.031.843.737.356,38 2.022.223.107.827,09 2.014.001.077.552,12 2.030.445.138.102,07 73.998.272.474,77 1.891.983.811.925,38 24 Desember 2.301.298.140.603,40 2.273.390.637.325,77 2.247.451.681.348,40 2.299.329.593.303,13 233.450.603.796,28 2.104.443.410.576,84 25 Januari 2.218.822.682.340,98 2.224.279.477.839,46 2.226.596.698.190,35 2.221.962.257.488,56 -20.854.983.158,05 2.532.780.197.099,42 26 Februari 2.101.835.639.324,57 2.114.080.023.176,06 2.125.331.690.677,49 2.102.828.355.674,63 -101.265.007.512,87 2.201.107.274.330,51 27 Maret 2.179.585.623.051,96 2.173.035.063.064,37 2.168.264.725.825,68 2.177.805.400.303,06 42.933.035.148,19 2.001.563.348.161,76 28 April 2.085.327.285.783,91 2.094.098.063.511,96 2.101.514.729.743,33 2.086.681.397.280,58 -66.749.996.082,35 2.220.738.435.451,25 29 Mei 2.194.264.026.611,27 2.184.247.430.301,34 2.175.974.160.245,54 2.192.520.700.357,14 74.459.430.502,21 2.019.931.401.198,23 30 Juni 2.101.519.761.225,70 2.109.792.528.133,26 2.116.410.691.344,49 2.103.174.364.922,04 -59.563.468.901,05 2.266.980.130.859,35 31 Juli 2.164.270.437.104,46 2.158.822.646.207,34 2.154.581.450.721,06 2.163.063.841.693,62 38.170.759.376,56 2.043.610.896.020,99 32 Agustus 2.134.385.442.655,94 2.136.829.163.011,08 2.138.604.391.782,08 2.135.053.934.240,08 -15.977.058.938,98 2.201.234.601.070,19 33 September 2.286.247.515.411,65 2.271.305.680.171,59 2.258.035.551.332,64 2.284.575.809.010,54 119.431.159.550,56 2.119.076.875.301,10 34 Oktober 2.302.567.169.597,70 2.299.441.020.655,09 2.295.300.473.722,84 2.303.581.567.587,33 37.264.922.390,20 2.404.006.968.561,10 35 November 2.357.357.294.388,94 2.351.565.667.015,55 2.345.939.147.686,28 2.357.192.186.344,83 50.638.673.963,44 2.340.846.489.977,54 36 Desember 2.868.540.344.551,54 2.816.842.876.797,94 2.769.752.503.886,78 2.863.933.249.709,11 423.813.356.200,49 2.407.830.860.308,26 37 3.287.746.605.909,60 Universitas Sumatera Utara Tabel 4.11. Nilai Forecast Periode Saldo Rp Dengan menggunakan α α = 0,1 α = 0,2 α = 0,3 1 1.309.625.167.666,77 - - - 2 1.232.536.432.554,87 - - - 3 1.241.084.363.541,47 1.294.207.420.644,39 1.278.789.673.622,01 1.256.433.940.439,56 4 1.187.011.257.648,35 1.282.811.921.872,69 1.260.624.000.185,32 1.234.117.535.769,36 5 1.257.869.152.259,79 1.262.349.671.105,67 1.226.587.141.362,83 1.186.499.068.914,20 6 1.214.445.678.449,05 1.259.193.442.772,10 1.231.563.674.212,44 1.212.104.064.423,13 7 1.286.450.163.347,43 1.247.938.960.154,64 1.218.431.484.833,79 1.198.807.173.198,40 8 1.374.588.841.075,17 1.252.888.793.397,12 1.238.669.245.335,41 1.243.382.256.550,72 9 1.377.233.338.027,13 1.274.861.507.568,58 1.288.788.119.868,03 1.329.915.846.637,21 10 1.421.809.308.810,00 1.294.185.578.772,91 1.325.354.027.197,97 1.378.162.578.175,85 11 1.562.795.646.229,35 1.319.583.748.197,54 1.368.661.768.635,45 1.432.477.264.856,58 12 1.753.564.055.381,30 1.369.375.788.521,49 1.454.899.159.730,16 1.555.411.918.105,30 13 1.834.237.895.841,06 1.449.795.221.591,35 1.590.714.313.151,52 1.747.944.636.043,18 14 1.773.409.139.971,69 1.534.107.418.807,79 1.716.419.537.214,29 1.898.456.365.490,41 15 1.782.879.477.202,94 1.593.235.852.149,57 1.777.252.112.611,78 1.924.455.609.101,24 16 1.817.626.388.093,57 1.644.825.683.480,88 1.819.819.376.853,07 1.930.135.588.938,45 17 1.875.032.542.923,48 1.694.943.366.974,59 1.859.483.594.337,74 1.943.641.097.517,03 18 1.942.648.583.437,74 1.748.246.751.781,66 1.906.156.867.210,13 1.978.527.719.705,05 19 1.928.112.409.763,38 1.806.213.559.489,66 1.961.829.205.082,70 2.032.962.666.621,68 20 1.879.963.264.481,32 1.851.623.789.237,75 1.990.877.806.985,60 2.041.477.563.288,97 21 2.000.901.948.152,24 1.879.541.132.482,55 1.987.698.638.201,74 2.002.224.088.594,02 22 1.929.675.298.230,68 1.926.346.138.565,01 2.029.730.028.699,63 2.055.434.103.556,28 23 2.031.843.737.356,38 1.950.758.421.603,36 2.026.986.335.427,75 2.027.452.728.455,55 24 2.301.298.140.603,40 1.990.755.227.455,83 2.062.205.305.896,15 2.075.438.108.932,69 25 2.218.822.682.340,98 2.077.454.405.944,75 2.191.312.745.553,14 2.280.950.990.165,06 26 2.101.835.639.324,57 2.133.424.086.214,88 2.245.350.739.430,66 2.326.575.479.307,30 27 2.179.585.623.051,96 2.156.216.104.591,66 2.232.079.116.022,12 2.258.512.667.578,71 28 2.085.327.285.783,91 2.189.683.831.569,65 2.249.475.531.463,71 2.264.708.446.060,73 29 2.194.264.026.611,27 2.197.840.040.883,05 2.220.110.306.102,63 2.195.045.070.731,17 30 2.101.519.761.225,70 2.225.108.791.041,37 2.239.499.937.389,74 2.226.201.767.345,31 31 2.164.270.437.104,46 2.228.339.177.948,21 2.213.002.158.828,12 2.174.600.608.904,14 32 2.134.385.442.655,94 2.242.237.732.351,27 2.216.684.554.996,09 2.186.036.731.333,24 33 2.286.247.515.411,65 2.246.738.889.575,57 2.204.990.726.048,52 2.169.060.818.673,44 34 2.302.567.169.597,70 2.279.633.707.009,21 2.255.427.293.288,66 2.262.406.667.830,00 35 2.357.357.294.388,94 2.309.608.578.051,68 2.295.467.366.881,68 2.321.552.371.587,44 36 2.868.540.344.551,54 2.344.775.834.469,80 2.343.293.056.006,36 2.386.630.284.355,46 Universitas Sumatera Utara Periode Saldo Rp Dengan menggunakan α α = 0,4 α = 0,5 α = 0,6 1 1.309.625.167.666,77 - - - 2 1.232.536.432.554,87 - - - 3 1.241.084.363.541,47 1.247.954.179.577,25 1.232.536.432.554,87 1.217.118.685.532,49 4 1.187.011.257.648,35 1.230.124.129.130,72 1.221.812.179.763,50 1.218.125.554.502,98 5 1.257.869.152.259,79 1.182.200.463.761,20 1.169.876.056.617,20 1.161.664.097.720,37 6 1.214.445.678.449,05 1.222.403.986.939,26 1.232.033.720.699,68 1.246.784.715.742,95 7 1.286.450.163.347,43 1.207.812.902.686,06 1.210.608.520.799,63 1.212.286.243.199,74 8 1.374.588.841.075,17 1.261.224.944.395,69 1.278.215.995.135,35 1.293.949.266.160,63 9 1.377.233.338.027,13 1.355.000.256.625,63 1.385.315.083.500,04 1.410.082.086.094,91 10 1.421.809.308.810,00 1.394.009.140.101,90 1.412.052.791.936,96 1.419.059.165.419,64 11 1.562.795.646.229,35 1.441.028.986.447,69 1.454.608.326.351,60 1.458.929.365.189,74 12 1.753.564.055.381,30 1.567.670.052.645,62 1.598.033.792.989,21 1.621.128.981.759,47 13 1.834.237.895.841,06 1.765.095.658.771,84 1.815.849.032.110,60 1.855.003.010.602,12 14 1.773.409.139.971,69 1.898.862.892.802,60 1.935.405.438.168,38 1.952.713.439.889,16 15 1.782.879.477.202,94 1.888.016.092.844,33 1.879.173.898.231,63 1.852.701.405.674,53 16 1.817.626.388.093,57 1.873.350.402.184,73 1.848.145.160.913,70 1.819.518.669.224,67 17 1.875.032.542.923,48 1.881.392.934.262,69 1.858.818.466.547,16 1.842.715.615.333,62 18 1.942.648.583.437,74 1.920.010.522.287,63 1.908.594.928.172,04 1.906.282.390.700,53 19 1.928.112.409.763,38 1.980.809.209.689,75 1.980.264.487.780,38 1.986.342.378.176,61 20 1.879.963.264.481,32 1.984.962.098.014,70 1.974.241.727.922,44 1.965.978.801.657,56 21 2.000.901.948.152,24 1.938.841.871.465,83 1.913.054.563.136,13 1.891.309.753.994,13 22 1.929.675.298.230,68 2.009.568.959.727,45 2.010.423.630.946,77 2.020.404.390.548,48 23 2.031.843.737.356,38 1.976.662.669.712,35 1.961.158.827.279,24 1.948.566.673.288,65 24 2.301.298.140.603,40 2.039.033.177.170,41 2.043.140.183.225,92 2.052.873.870.409,05 25 2.218.822.682.340,98 2.275.899.772.082,68 2.330.265.813.992,22 2.385.337.457.955,38 26 2.101.835.639.324,57 2.299.255.118.604,48 2.312.329.845.074,17 2.309.306.927.801,17 27 2.179.585.623.051,96 2.201.204.219.137,04 2.167.482.019.144,95 2.124.183.262.991,14 28 2.085.327.285.783,91 2.212.206.909.540,67 2.192.608.451.434,94 2.179.818.312.574,44 29 2.194.264.026.611,27 2.135.541.802.433,35 2.101.376.015.143,64 2.075.526.147.558,01 30 2.101.519.761.225,70 2.187.057.433.872,69 2.183.492.464.558,25 2.193.091.899.909,54 31 2.164.270.437.104,46 2.132.560.703.720,57 2.113.970.202.039,58 2.101.031.267.435,72 32 2.134.385.442.655,94 2.158.175.870.764,64 2.156.227.702.085,21 2.161.778.235.058,82 33 2.286.247.515.411,65 2.144.464.465.962,06 2.318.917.766.402,91 2.136.532.949.276,72 34 2.302.567.169.597,70 2.259.405.374.706,92 2.285.319.274.301,30 2.313.955.088.474,96 35 2.357.357.294.388,94 2.318.134.567.716,66 2.338.471.365.739,53 2.351.951.489.467,14 36 2.868.540.344.551,54 2.380.618.393.334,13 2.397.373.464.354,88 2.406.000.708.222,38 Universitas Sumatera Utara Periode Saldo Rp Dengan menggunakan α α = 0,7 α = 0,8 α = 0,9 1 1.309.625.167.666,77 - - - 2 1.232.536.432.554,87 - - - 3 1.241.084.363.541,47 1.201.700.938.510,11 1.186.283.191.487,73 1.170.865.444.465,35 4 1.187.011.257.648,35 1.219.064.253.349,18 1.224.618.276.302,10 1.234.817.623.361,73 5 1.257.869.152.259,79 1.155.714.457.428,55 1.150.177.006.098,88 1.143.201.614.088,67 6 1.214.445.678.449,05 1.264.549.460.359,41 1.284.145.507.660,72 1.305.315.475.579,87 7 1.286.450.163.347,43 1.210.278.396.319,34 1.203.209.822.169,41 1.190.342.839.446,19 8 1.374.588.841.075,17 1.308.242.247.657,02 1.322.370.518.606,14 1.338.324.485.494,25 9 1.377.233.338.027,13 1.429.775.021.784,55 1.445.169.803.462,42 1.456.435.720.925,74 10 1.421.809.308.810,00 1.417.374.038.641,18 1.409.141.154.051,96 1.396.080.955.114,62 11 1.562.795.646.229,35 1.458.995.365.953,41 1.458.600.559.072,25 1.460.447.585.024,81 12 1.753.564.055.381,30 1.641.900.989.798,33 1.662.610.674.976,18 1.683.569.654.944,74 13 1.834.237.895.841,06 1.886.676.650.408,30 1.912.118.915.857,49 1.931.357.065.057,99 14 1.773.409.139.971,69 1.956.424.664.943,63 1.949.702.279.523,59 1.935.035.514.148,57 15 1.782.879.477.202,94 1.817.670.211.174,43 1.779.982.399.122,42 1.743.934.467.245,53 16 1.817.626.388.093,57 1.796.752.857.569,61 1.784.139.257.619,91 1.782.944.548.700,94 17 1.875.032.542.923,48 1.836.718.014.612,39 1.839.094.329.917,96 1.845.826.381.205,25 18 1.942.648.583.437,74 1.911.328.598.513,89 1.919.402.897.770,13 1.926.944.283.803,67 19 1.928.112.409.763,38 1.994.920.940.545,69 2.002.403.878.205,18 2.007.415.825.642,37 20 1.879.963.264.481,32 1.956.480.153.201,55 1.944.222.650.892,44 1.929.593.462.261,16 21 2.000.901.948.152,24 1.871.711.484.660,99 1.854.546.215.026,04 1.840.947.224.596,44 22 1.929.675.298.230,68 2.037.439.833.743,59 2.060.727.963.116,23 2.089.353.380.134,20 23 2.031.843.737.356,38 1.934.734.511.311,08 1.916.723.943.588,39 1.891.983.811.925,38 24 2.301.298.140.603,40 2.066.047.832.670,74 2.082.722.152.379,46 2.104.443.410.576,84 25 2.218.822.682.340,98 2.438.342.189.433,10 2.487.926.940.311,56 2.532.780.197.099,42 26 2.101.835.639.324,57 2.289.231.456.047,77 2.252.731.966.795,75 2.201.107.274.330,51 27 2.179.585.623.051,96 2.077.529.330.703,79 2.034.442.956.977,81 2.001.563.348.161,76 28 2.085.327.285.783,91 2.179.236.207.865,36 2.193.242.687.250,84 2.220.738.435.451,25 29 2.194.264.026.611,27 2.056.599.368.076,07 2.040.040.815.745,60 2.019.931.401.198,23 30 2.101.519.761.225,70 2.212.150.169.330,18 2.237.194.867.033,68 2.266.980.130.859,35 31 2.164.270.437.104,46 2.087.543.559.970,98 2.069.214.466.597,95 2.043.610.896.020,99 32 2.134.385.442.655,94 2.171.028.249.973,37 2.183.571.720.548,30 2.201.234.601.070,19 33 2.286.247.515.411,65 2.133.391.551.540,11 2.127.977.198.184,62 2.119.076.875.301,10 34 2.302.567.169.597,70 2.343.098.157.185,83 2.372.834.010.160,85 2.404.006.968.561,10 35 2.357.357.294.388,94 2.356.962.453.085,07 2.353.324.372.698,09 2.340.846.489.977,54 36 2.868.540.344.551,54 2.408.262.725.514,93 2.407.723.576.881,31 2.407.830.860.308,26 Universitas Sumatera Utara

4.3. Nilai Rata – rata Kesalahan Mean Square Error