Table 11.4
k
Values for setting specifications for variables sampling
Safety/quality
xþ
k^1
s^4
V
Probability of rejection
Proportion exceeding
v
No. of replicate samples 34567891
0
0.95
0.05
7.7
5.1
4.2
3.7
3.4
3.2
3.0
2.9
0.10
6.2
4.2
3.4
3.0
2.8
2.6
2.4
2.4
0.30
3.3
2.3
1.9
1.6
1.5
1.4
1.3
1.3
0.50
1.7
1.2
0.95
0.82
0.73
0.67
0.62
0.58
0.90
0.10
4.3
3.2
2.7
2.5
2.3
2.2
2.1
2.1
0.25
2.6
2.0
1.7
1.5
1.4
1.4
1.3
1.3
GMP criterion
xþ
k^2
so
v
Probability of acceptance
Proportion exceeding
v
0.95
0.10
0.33
0.44
0.52
0.57
0.62
0.66
0.69
0.71
0.20
0.13
0.02
0.11
0.17
0.22
0.26
0.29
0.31
0.30
0.58
0.36
0.24
0.16
0.10
0.06
0.02
0
0.90
0.10
0.53
0.62
0.68
0.72
0.75
0.78
0.81
0.83
0.20
0.11
0.21
0.27
0.32
0.35
0.38
0.41
0.43
0.30
0.26
0.13
0.05
0.01
0.04
0.07
0.10
0.12
Chapter 11 409