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st: Samspi non normality?

From   "Di Stefano, Paola" <>
To   <>
Subject   st: Samspi non normality?
Date   Fri, 10 Nov 2006 17:47:17 +0100

Dear all,

I'm trying to estimate a sample size for two-sample comparison of means
using the command sampsi.
The study is to test for a difference in effectiveness of 0.5 between
two groups, assuming a sd(1.4)
Is there any way to change the normality assumption? Is there another
way to estimate sample size?

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