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st: Robust equal variance test!Results?


From   Vanessa Mahlberg <vmahlberg@netcologne.de>
To   statalist@hsphsun2.harvard.edu
Subject   st: Robust equal variance test!Results?
Date   Wed, 14 Mar 2007 09:35:24 +0100

Hallo,

I?ve used the Levene Test to check up homogeneity of variance by the
command .robvar a_kollegen, by( zugeh )
Now I can?t interpret the results given by stata. How can I figure out
if the variances within a group differ significantly.

robvar a_kollegen, by( zugeh )

Summary of a_kollegen
zugeh Mean Std. Dev. Freq.

1 4.3243243 .66431772 74
2 4.202381 .72444016 84

Total 4.2594937 .69740538 158

W0 = .11174352 df(1, 156) Pr > F = .73861681

W50 = .08352366 df(1, 156) Pr > F = .77296155

W10 = .07764111 df(1, 156) Pr > F = .78088894


It would be very kind if somebody could give me some advice.

Thanks a lot

Kind regards
Vanessa

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