FAQ/tab901 - CBU statistics Wiki

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Sample sizes required per group for 90 power with a one-tailed test of the difference in two independent proportions

The proportions for the two groups are represented by the row and column proportions.

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

0.1

219

69

36

23

16

12

9

7

0.2

322

91

44

27

18

13

9

0.3

390

103

48

27

18

12

0.4

424

108

48

27

16

0.5

424

103

44

23

0.6

390

91

36

0.7

322

69

0.8

219

None: FAQ/tab901 (last edited 2013-03-08 10:17:24 by localhost)