Sample size

[morphmet]

-------- Original Message --------
Subject:        Sample size
Date:   Wed, 4 Nov 2009 06:40:15 -0800 (PST)
From:   Samuel Okoye <samu...@yahoo.com>
To:     morphmet_modera...@morphometrics.org



Dear all,

I would be most grateful if you tell me how important to have balanced
sample sizes for the t-test and ANOVA? Should the sample sizes always be
equal? If not how big should the difference between them be? How can I
do sample size calculaction for unbalanced t-test or ANOVA?

Many thanks in advance,
Samuel



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