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Re: st: Difference of means and t-test


From   Maarten buis <maartenbuis@yahoo.co.uk>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Difference of means and t-test
Date   Sun, 13 Jun 2010 10:33:03 -0700 (PDT)

--- On Sat, 12/6/10, mmolina@uniroma3.it 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

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

http://www.maartenbuis.nl
--------------------------


      

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