103
?©
= 390
c
= 7,8
2
k
/
s
(
N
?
x
2
)
-
(
?
x
)
2
2
16,5
(50.3548)
(152100)
390
i
?
x
i
N’ =
=
=
45,29
i
N’ =N, maka jumlah data cukup.
Tabel 5.14 Pengumpulan Data PPG Stripper
No.
Nonconformities
No.
Nonconformities
1
7
26
8
2
9
27
5
3
6
28
17
4
10
29
7
5
6
30
12
6
7
31
10
7
11
32
8
8
8
33
4
9
4
34
6
10
3
35
5
11
5
36
10
12
7
37
8
13
8
38
4
14
5
39
5
15
4
40
6
16
2
41
8
17
5
42
4
18
8
43
3
19
7
44
5
20
11
45
6
21
9
46
4
22
8
47
3
23
13
48
5
24
10
49
8
25
9
50
6
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