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Appendix F
Values of K 1 for Computing
Repeatability Using the
Range Method
Number of trials
n
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
n ê 16
2
3.65
4.02
4.19
4.26
4.33
4.36
4.40
4.44
4.44
4.44
4.44
4.48
4.48
4.48
4.48
4.56
3
2.70
2.85
2.91
2.94
2.96
2.98
2.98
2.99
2.99
2.99
3.01
3.01
3.01
3.01
3.01
3.05
4
2.30
2.40
2.43
2.44
2.45
2.46
2.46
2.48
2.48
2.48
2.48
2.49
2.49
2.49
2.49
2.50
5
2.08
2.15
2.16
2.17
2.18
2.19
2.19
2.19
2.20
2.20
2.20
2.20
2.20
2.20
2.20
2.21
6
1.93
1.98
2.00
2.00
2.01
2.01
2.02
2.02
2.02
2.02
2.02
2.02
2.02
2.03
2.03
2.04
n = (# of parts [samples]) × (# of operators)
7
1.82
1.86
1.87
1.88
1.89
1.89
1.89
1.89
1.89
1.89
1.89
1.89
1.90
1.90
1.90
1.91
8
1.74
1.77
1.78
1.79
1.79
1.79
1.79
1.79
1.80
1.80
1.80
1.81
1.81
1.81
1.81
1.81
Continued
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