Erna Rutiah Novarina : Sistem Perawatan Berbasis Pencegahan Menurut Rancangan Modularity Task Dalam Upaya Penurunan Biaya Perawatan Pada PT. Cakra Compact Alumunium Industries, 2010.
LAMPIRAN V UJI KECOCOKAN DISTRIBUSI KERUSAKAN KOMPONEN MESIN EKSTRUSI 1375
PT. Cakra Compact Alumunium Industries 1. Plat Bakul Billet Loader
a. Distribusi Normal
N Ti
FTi Yi
Ti² Yi²
Ti.Yi
1 8381
0,0455 -1,6906
70241161 2,8582
-14169,0974 2
8389 0,1104
-1,2245 70375321
1,4993 -10271,9872
3 8460
0,1753 -0,9333
71571600 0,8711
-7895,9754 4
8480 0,2403
-0,7055 71910400
0,4977 -5982,3606
5 8508
0,3052 -0,5095
72386064 0,2596
-4334,9737 6
8578 0,3701
-0,3315 73582084
0,1099 -2843,6891
7 8648
0,4351 -0,1635
74787904 0,0267
-1413,8918 8
8663 0,5000
0,0000 75047569
0,0000 0,0000
9 8695
0,5649 0,1635
75603025 0,0267
1421,5760 10
8733 0,6299
0,3315 76265289
0,1099 2895,0731
11 8931
0,6948 0,5095
79762761 0,2596
4550,4995 12
8962 0,7597
0,7055 80317444
0,4977 6322,3957
13 9342
0,8247 0,9333
87272964 0,8711
8719,1728 14
9353 0,8896
1,2245 87478609
1,4993 11452,3658
15 9654
0,9545 1,6906
93199716 2,8582
16321,2583 TOTAL
131777 0.0000
1159801911 12,2451
4770,3661
Index Of Fit e.
Sxy =
−
∑ ∑
∑
= =
= N
i N
i N
i
Yi Ti
TiYi N
1 1
1
. = 15.4770,3661 – 131777.0
= 71555,4913 f.
Sxx =
2 1
1 2
−
∑ ∑
= =
N i
N i
Ti Ti
N
= 15 1159801911 – 131777
2
= 31850936 g.
Syy =
2 1
1 2
−
∑ ∑
= =
N i
N i
Yi Yi
N
= 15 12,2451 – 0
2
= 183,6758 h.
Sehingga Index Of Fit r = Syy
Sxx Sxy
. =
6758 ,
183 .
31850936 4913
, 71555
= 0,9355
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
N ti
FTi Ti =LN ti
Yi Ti²
Yi ²
Ti.Yi
1 8381
0,0455 9,0337
-1,6906 81,6081
2,8582 -15,2726
2 8389
0,1104 9,0347
-1,2245 81,6254
1,4993 -11,0626
3 8460
0,1753 9,0431
-0,9333 81,7777
0,8711 -8,4402
4 8480
0,2403 9,0455
-0,7055 81,8205
0,4977 -6,3813
5 8508
0,3052 9,0488
-0,5095 81,8801
0,2596 -4,6105
6 8578
0,3701 9,0570
-0,3315 82,0285
0,1099 -3,0025
7 8648
0,4351 9,0651
-0,1635 82,1757
0,0267 -1,4821
8 8663
0,5000 9,0668
0,0000 82,2072
0,0000 0,0000
9 8695
0,5649 9,0705
0,1635 82,2740
0,0267 1,4830
10 8733
0,6299 9,0749
0,3315 82,3532
0,1099 3,0084
11 8931
0,6948 9,0973
0,5095 82,7606
0,2596 4,6352
12 8962
0,7597 9,1007
0,7055 82,8236
0,4977 6,4203
13 9342
0,8247 9,1423
0,9333 83,5812
0,8711 8,5328
14 9353
0,8896 9,1435
1,2245 83,6027
1,4993 11,1958
15 9654
0,9545 9,1751
1,6906 84,1830
2,8582 15,5117
TOTAL 131777 136,1988
0,0000 1236,7014 12,2451
0,5354
Index Of Fit a.
Sxy =
−
∑ ∑
∑
= =
= N
i N
i N
i
Yi Ti
TiYi N
1 1
1
. = 15.0,5354 – 136,1988.0
= 8,0304 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 12,2451 – 0
2
= 183,6758 d.
Sehingga Index Of Fit r = Syy
Sxx Sxy
. =
6758 ,
183 .
3968 ,
0304 ,
8 = 0.9407
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
