Erna Rutiah Novarina : Sistem Perawatan Berbasis Pencegahan Menurut Rancangan Modularity Task Dalam Upaya Penurunan Biaya Perawatan Pada PT. Cakra Compact Alumunium Industries, 2010.
c. Distribusi Eksponensial
N Ti
FTi Yi = LN[1-FTi]
Ti² Yi²
Ti.Yi
1 8381
0,0455 -0,0465
70241161 0,0022
-389,8843 2
8389 0,1104
-0,1170 70375321
0,0137 -981,2754
3 8460
0,1753 -0,1928
71571600 0,0372
-1630,7963 4
8480 0,2403
-0,2748 71910400
0,0755 -2330,1231
5 8508
0,3052 -0,3641
72386064 0,1326
-3097,9650 6
8578 0,3701
-0,4622 73582084
0,2137 -3965,1086
7 8648
0,4351 -0,5710
74787904 0,3261
-4938,3927 8
8663 0,5000
-0,6931 75047569
0,4805 -6004,7340
9 8695
0,5649 -0,8323
75603025 0,6927
-7236,5006 10
8733 0,6299
-0,9939 76265289
0,9878 -8679,7404
11 8931
0,6948 -1,1868
79762761 1,4085
-10599,3555 12
8962 0,7597
-1,4260 80317444
2,0336 -12780,1229
13 9342
0,8247 -1,7411
87272964 3,0315
-16265,5032 14
9353 0,8896
-2,2037 87478609
4,8565 -20611,5733
15 9654
0,9545 -3,0910
93199716 9,5545
-29840,9238 TOTAL
131777 -14,1965
1159801911 23,8464
-129351,9990
Index Of Fit i.
Sxy =
−
∑ ∑
∑
= =
= N
i N
i N
i
Yi Ti
TiYi N
1 1
1
. = 15.-129351,9990 – 131777.-14,1965
= 69508,939 ii.
Sxx =
2 1
1 2
−
∑ ∑
= =
N i
N i
Ti Ti
N
= 15 1159801911 – 131777
2
= 31850936 iii.
Syy =
2 1
1 2
−
∑ ∑
= =
N i
N i
Yi Yi
N
= 15 23,8464 – -14,1965
2
= 156,15531 iv.
Sehingga Index Of Fit r = Syy
Sxx Sxy
. =
15531 ,
156 .
31850936 939
, 69508
= 0,9856
Erna Rutiah Novarina : Sistem Perawatan Berbasis Pencegahan Menurut Rancangan Modularity Task Dalam Upaya Penurunan Biaya Perawatan Pada PT. Cakra Compact Alumunium Industries, 2010.
d. Distribusi Weibull
N ti
Ti = LNti FTi
Yi = LN{-LN [1-FTi]}
Ti² Yi²
Ti.Yi
1 8381
9,0337 0,0455
-3,0679 81,6081
9,4118 -27,7143
2 8389
9,0347 0,1104
-2,1458 81,6254
4,6046 -19,3868
3 8460
9,0431 0,1753
-1,6463 81,7777
2,7102 -14,8875
4 8480
9,0455 0,2403
-1,2918 81,8205
1,6687 -11,6848
5 8508
9,0488 0,3052
-1,0103 81,8801
1,0206 -9,1416
6 8578
9,0570 0,3701
-0,7717 82,0285
0,5955 -6,9890
7 8648
9,0651 0,4351
-0,5603 82,1757
0,3139 -5,0791
8 8663
9,0668 0,5000
-0,3665 82,2072
0,1343 -3,3231
9 8695
9,0705 0,5649
-0,1836 82,2740
0,0337 -1,6654
10 8733
9,0749 0,6299
-0,0061 82,3532
0,0000 -0,0555
11 8931
9,0973 0,6948
0,1713 82,7606
0,0293 1,5580
12 8962
9,1007 0,7597
0,3549 82,8236
0,1260 3,2298
13 9342
9,1423 0,8247
0,5545 83,5812
0,3075 5,0696
14 9353
9,1435 0,8896
0,7902 83,6027
0,6243 7,2247
15 9654
9,1751 0,9545
1,1285 84,1830
1,2735 10,3542
TOTAL
136,1988 -8,0509
1236,7014 22,8541 -72,4907
Index Of Fit a.
Sxy =
−
∑ ∑
∑
= =
= N
i N
i N
i
Yi Ti
TiYi N
1 1
1
. = 15.-72,4907 – 136,1988.-8,0509
= 9,1592 b.
Sxx =
2 1
1 2
−
∑ ∑
= =
N i
N i
Ti Ti
N
= 15 1236,7014 – 136,1988
2
= 0,3968 c.
Syy =
2 1
1 2
−
∑ ∑
= =
N i
N i
Yi Yi
N
= 15 22,8541 – -8,0509
2
= 277,9953 d.
Sehingga Index Of Fit r = Syy
Sxx Sxy
. =
9953 ,
277 .
3968 ,
1592 ,
9 = 0,8721
Erna Rutiah Novarina : Sistem Perawatan Berbasis Pencegahan Menurut Rancangan Modularity Task Dalam Upaya Penurunan Biaya Perawatan Pada PT. Cakra Compact Alumunium Industries, 2010.
2. Pentil As a. Distribusi Normal
N Ti
FTi Yi
Ti² Yi²
Ti.Yi
1 1623
0,0455 -1,6906
2634129 2,8582
-2743,8784 2
1668 0,1104
-1,2245 2782224
1,4993 -2042,3977
3 1713
0,1753 -0,9333
2934369 0,8711
-1598,7950 4
1821 0,2403
-0,7055 3316041
0,4977 -1284,6555
5 2046
0,3052 -0,5095
4186116 0,2596
-1042,4725 6
2146 0,3701
-0,3315 4605316
0,1099 -711,4195
7 2356
0,4351 -0,1635
5550736 0,0267
-385,1907 8
2393 0,5000
0,0000 5726449
0,0000 0,0000
9 2490
0,5649 0,1635
6200100 0,0267
407,0988 10
2499 0,6299
0,3315 6245001
0,1099 828,4424
11 2537
0,6948 0,5095
6436369 0,2596
1292,6455 12
2540 0,7597
0,7055 6451600
0,4977 1791,8863
13 2571
0,8247 0,9333
6610041 0,8711
2399,5925 14
2613 0,8896
1,2245 6827769
1,4993 3199,5116
15 2645
0,9545 1,6906
6996025 2,8582
4471,6934 TOTAL
33661 0,0000
77502285 12,2451
4582,0612
Index Of Fit a.
Sxy =
−
∑ ∑
∑
= =
= N
i N
i N
i
Yi Ti
TiYi N
1 1
1
. = 15.4582,0612 – 33661.0
= 68730,9177 b.
Sxx =
2 1
1 2
−
∑ ∑
= =
N i
N i
Ti Ti
N
= 15 77502285 – 33661
2
= 29471354 c.
Syy =
2 1
1 2
−
∑ ∑
= =
N i
N i
Yi Yi
N
= 15 12,2451 – 0
2
= 183,6758 d.
Sehingga Index Of Fit r = Syy
Sxx Sxy
. =
6758 ,
183 .
29471354 9177
, 68730
= 0,9342
Erna Rutiah Novarina : Sistem Perawatan Berbasis Pencegahan Menurut Rancangan Modularity Task Dalam Upaya Penurunan Biaya Perawatan Pada PT. Cakra Compact Alumunium Industries, 2010.
b. Distribusi Lognormal
