Critical Valuues for the Test of Normality Based on r for a Normal Probability Plot

0.1

0.05

0.01

5

0.9033

0.8804

0.8320

10

0/9347

0.9180

0.8804

15

0.9506

0.9383

0.9110

20

0.9600

0.9503

0.9290

25

0.9582

0.9582

0.9408

30

0.9707

0.9639

0.9490

40

0.9767

0.9715

0.9597

50

0.9807

0.9764

0.9664

60

0.9835

0.9799

0.9710

75

0.9865

0.9835

0.9757