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RE: st: Difference of means and t-test

From   "Lachenbruch, Peter" <>
To   "''" <>
Subject   RE: st: Difference of means and t-test
Date   Mon, 14 Jun 2010 08:37:09 -0700

And you can also examine the contrasts with lincom


Peter A. Lachenbruch
Department of Public Health
Oregon State University
Corvallis, OR 97330
Phone: 541-737-3832
FAX: 541-737-4001

-----Original Message-----
From: [] On Behalf Of Maarten buis
Sent: Sunday, June 13, 2010 10:33 AM
Subject: Re: st: Difference of means and t-test

--- On Sat, 12/6/10, wrote:
> As I have three groups, I am also interested in testing the
> null: mean1 = mean2 = mean3 , under the alternative that at
> least one mean is different.

That is typically done using -anova-.

Hope this helps,

Maarten L. Buis
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen


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