Diff for "FAQ/tab801" - CBU statistics Wiki
location: Diff for "FAQ/tab801"
Differences between revisions 1 and 2
Revision 1 as of 2010-07-22 14:01:35
Size: 457
Editor: PeterWatson
Comment:
Revision 2 as of 2010-07-22 14:06:49
Size: 1155
Editor: PeterWatson
Comment:
Deletions are marked like this. Additions are marked like this.
Line 5: Line 5:
|||||||||||||||||||| || 0.1 || 0.2 || 0.3 || 0.4 || 0.5 || 0.6 || 0.7 || 0.8 || 0.9 || |||||||||||||||||||| || '''0.1''' || '''0.2''' || '''0.3''' || '''0.4''' || '''0.5''' || '''0.6''' || '''0.7''' || '''0.8''' || '''0.9''' ||
Line 7: Line 7:
|||||||||||||||||||| 0.2 || || || 232 || 66 || 32 || 19 || 13 || 9 || 7 ||
|||||||||||||||||||| 0.3 || || || || 282 || 75 || 35 || 20 || 13 || 9 ||
|||||||||||||||||||| 0.4 || || || || || 307 || 78 || 35 || 19 || 12 ||
|||||||||||||||||||| 0.5 || || || || || || 307 || 75 || 32 || 17 ||
|||||||||||||||||||| 0.6 || || || || || || || 282 || 66 || 27 ||
|||||||||||||||||||| 0.7 || || || || || || || || 232 || 50 ||
|||||||||||||||||||| 0.8 || || || || || || || || || 158 ||

Sample sizes per group for 80% power with a one-tailed test of independent proportions

The table below gives the sample size to get 80% power required in each group where the group proportions are as in the row and column for a one-tailed type I error of 5%.

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

0.1

158

50

27

17

12

9

7

5

0.2

232

66

32

19

13

9

7

0.3

282

75

35

20

13

9

0.4

307

78

35

19

12

0.5

307

75

32

17

0.6

282

66

27

0.7

232

50

0.8

158

None: FAQ/tab801 (last edited 2013-03-08 10:17:13 by localhost)