e. Bagian Backfin
Tabel L.37. Hasil Pengamatan Filling Bagian Backfin
Pengamatan Penambahan Zat
Det Filling
menit Cycle Time
menit
1 8.5
3.23 3.37
2 9.7
3.44 3.60
3 9.2
4.12 4.27
4 8.6
3.22 3.36
5 8.6
3.01 3.15
6 9.1
3.52 3.67
7 9.5
4.16 4.32
8 8.7
3.04 3.19
9 8.8
3.67 3.82
10 9.3
4.05 4.21
11 9.5
3.77 3.93
12 8.1
3.19 3.33
13 9.3
4.03 4.19
14 9.4
3.26 3.42
15 8.4
4.16 4.30
16 8.3
3.13 3.27
17 9.4
3.76 3.92
18 9.3
3.12 3.28
19 8.8
3.37 3.52
20 8.2
3.66 3.80
Tabel L.38. Uji Suai Normal Data Filling Bagian Backfin
Selang Kelas BKB
BKA Frekuensi
Oi Xi
Luas ei
3,10-3,29 3.095
3.295 4
3.195 0.1396
2.7921 0.523
3,30-3,49 3.295
3.495 4
3.395 0.1757
3.5144 0.067
3,50-3,69 3.495
3.695 3
3.595 0.1794
3.5887 0.097
3,70-3,89 3.695
3.895 2
3.795 0.1486
2.9729 0.318
3,90-4,09 3.895
4.095 2
3.995 0.0999
1.9979 0.000
4,10-4,29 4.095
4.295 3
4.195 0.0545
1.0892 3.352
4,30-4,49 4.295
4.495 2
4.395 0.0241
0.4817 4.786
20 1
1.005
2
χ
Universitas Sumatera Utara
Chi Kuadrat hitung 1.005 Chi Kuadrat tabel 11.143 Artinya Data berdistribusi normal.
1 2
3 4
5
3,10-3,29 3,30-3,49 3,50-3,69 3,70-3,89 3,90-4,09 4,10-4,29 4,30-4,49
oi ei
Gambar L.25. Grafik Sebaran Data Filling Bagian Backfin
Tabel L.39. Hasil Uji Keseragaman Data Filling Bagian Backfin
Pengamatan X
X s
BKA BKB
2
X
1 3.37
3.69 0.40
4.50 2.89
11.37 2
3.60 3.69
0.40 4.50
2.89 12.97
3 4.27
3.69 0.40
4.50 2.89
18.26 4
3.36 3.69
0.40 4.50
2.89 11.31
5 3.15
3.69 0.40
4.50 2.89
9.94 6
3.67 3.69
0.40 4.50
2.89 13.48
7 4.32
3.69 0.40
4.50 2.89
18.65 8
3.19 3.69
0.40 4.50
2.89 10.14
9 3.82
3.69 0.40
4.50 2.89
14.57 10
4.21 3.69
0.40 4.50
2.89 17.68
11 3.93
3.69 0.40
4.50 2.89
15.43 12
3.33 3.69
0.40 4.50
2.89 11.06
13 4.19
3.69 0.40
4.50 2.89
17.51 14
3.42 3.69
0.40 4.50
2.89 11.67
15 4.30
3.69 0.40
4.50 2.89
18.49 16
3.27 3.69
0.40 4.50
2.89 10.68
17 3.92
3.69 0.40
4.50 2.89
15.34 18
3.28 3.69
0.40 4.50
2.89 10.73
19 3.52
3.69 0.40
4.50 2.89
12.37 20
3.80 3.69
0.40 4.50
2.89 14.41
Jumlah 73.89
276.07
Universitas Sumatera Utara
Control Chart CT
2.00 2.50
3.00 3.50
4.00 4.50
5.00
1 2
3 4
5 6
7 8
9 10 11 12 13 14 15
Pengamatan
W ak
tu
BKA Cycle Time
BKB
Gambar L.26. Peta Kendali CT Filling Bagian Backfin
Keputusan : Data Seragam N = 20
N`= 18.2 Keputusan : Data Cukup
Universitas Sumatera Utara
2.4. Pengujian Data Cycle Time Weighting