e. Fan Belt
Index of Fit Sxy =
= 12 8889.8598 - 324000 = 106678.3175
Sxx = = 12 96932736 – 32400
2
= 113432832 Syy =
= 12 9.4066 – 0
2
= 112.8795 Index of Fit r :
= = 0.9428
N Ti
FTi Yi
Ti
2
Yi
2
Ti.Yi
1 1608
0.0565 -1.5853
2585664 2.5132 -2549.1551
2 1848
0.1371 -1.0935
3415104 1.1957 -2020.7604
3 1896
0.2177 -0.7800
3594816 0.6084 -1478.8800
4 1968
0.2984 -0.5300
3873024 0.2809 -1043.0400
5 2040
0.3790 -0.3080
4161600 0.0949
-628.3722 6
2448 0.4597
-0.1012 5992704
0.0102 -247.8374
7 2856
0.5403 0.1012
8156736 0.0102
289.0272 8
3072 0.6210
0.3080 9437184
0.0949 946.1760
9 3168
0.7016 0.5300
10036224 0.2809
1679.0400 10
3264 0.7823
0.7800 10653696
0.6084 2545.9200
11 3360
0.8629 1.0935
11289600 1.1957
3674.1600 12
4872 0.9435
1.5853 23736384
2.5132 7723.5816
Total 32400
0.0000 96932736
9.4066 8889.8598
Universitas Sumatera Utara
f. Bearing
Index of Fit Sxy =
= 9 4167.4446 - 328800 = 37507.0014
Sxx = = 9 122863104 – 32880
2
= 24673536 Syy =
= 9 7.2611 – 0
2
= 65.3502 Index of Fit r :
= = 0.9341
N Ti
FTi Yi
Ti
2
Yi
2
Ti.Yi
1 2712
0.0745 -1.5489
7354944 2.3991 -4200.6394
2 2712
0.1809 -0.9121
7354944 0.8320 -2473.7056
3 3504
0.2872 -0.5715
12278016 0.3266 -2002.4943
4 3744
0.3936 -0.2700
14017536 0.0729 -1010.8800
5 3792
0.5000 0.0000
14379264 0.0000
0.0000 6
3912 0.6064
0.2700 15303744
0.0729 1056.2400
7 3984
0.7128 0.5715
15872256 0.3266
2276.8560 8
4200 0.8191
0.9121 17640000
0.8319 3830.8200
9 4320
0.9255 1.5489
18662400 2.3991
6691.2480
Total 32880
0.0000 122863104 7.2611
4167.4446
Universitas Sumatera Utara
2. Distribusi Lognormal a.
Move Jaw
Index of Fit Sxy
=
= 13 2.7935 – 101.0080 0 = 36.3149
Sxx
= = 13 785.6466 – 101.0080
2
= 10.7895 Syy
= = 13 10.3600 – 0
2
= 134.6797 Index of Fit r
= = 0.9526
N Ti
FTi Ti = LN ti
Yi Ti
2
Yi
2
Ti.Yi
1 1488 0.0522
7.305188 -1.6236 53.3658
2.6361 -11.8607
2 1536 0.1269
7.336937 -1.1513 53.8306
1.3255 -8.4470
3 1680 0.2015
7.426549 -0.8263 55.1536
0.6828 -6.1366
4 2232 0.2761
7.710653 -0.5944 59.4542
0.3533 -4.5832
5 2400 0.3507
7.783224 -0.3833 60.5786
0.1469 -2.9833
6 2448 0.4254
7.803027 -0.1882 60.8872
0.0354 -1.4685
7 2472 0.5000
7.812783 0.0000
61.0396 0.0000
0.0000 8
2664 0.5746 7.887584
0.1882 62.2140
0.0354 1.4844
9 2712 0.6493
7.905442 0.3833
62.4960 0.1469
3.0302 10
2712 0.7239 7.905442
0.5944 62.4960
0.3533 4.6990
11 2784 0.7985
7.931644 0.8263
62.9110 0.6828
6.5539 12
3096 0.8731 8.037866
1.1513 64.6073
1.3255 9.2540
13 3504 0.9478
8.16166 1.6236
66.6127 2.6361
13.2513
Total 31728
101.0080 0.0000
785.6466 10.3600
2.7935
Universitas Sumatera Utara
b. Toggle Plate