FAQ/categ42013-03-08 10:17:23localhostconverted to 1.6 markup32010-07-22 13:57:24PeterWatson22010-07-22 13:57:11PeterWatson12010-07-22 13:56:49PeterWatsonSample sizes for a given power comparing two independent proportionsTable of sample sizes for 80% power and a one-tailed test Table of sample sizes for 80% power and a two-tailed test Table of sample sizes for 90% power and a one-tailed test Table of sample sizes for 90% power and a two-tailed test