Applied Statistics and Probability for Engineers

(Chris Devlin) #1
664 APPENDIX A STATISTICAL TABLES AND CHARTS

n = 2

100

4

0
0
12

0.2

0.4

0.6

0.8

1.0

7
15

3
d

Probability of accepting

H
0

(^3020)
40
50
75
3
5
10
0.2
0
0.10
0.20
0.30
0.40
0.50
0.60
0.70
0.80
0.90
1.00
0 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2
Probability of accepting
H
0
d
n = 4
n = 5
n = 7
n = 10
n n = 15
n = 100 n = 40n = 30 = 20
n = 75
n = 50
n = 3
(e) O.C. curves for different values of nfor the two-sided t-test for a level of significance  0.05.
(f) O.C. curves for different values of nfor the two-sided t-test for a level of significance  0.01.
Chart VI Operating Characteristic Curves (continued)
PQ220 6234F.pp [ 1 26].qxd 5/8/02 8:31 PM Page 664 RK UL 6 RK UL 6:Desktop Folder:TEMP WORK:PQ220 MONT 8/5/2002: PPENDIX :

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