At 02:40 PM 8/1/2008, Ziad El-Khatib wrote:
Hi!
it might be a simple question...
how is it possible to do t-test for mean level for 2 groups, for
example t-test for age of women and men?
Use the -ttest- command. See cases 2 and 3 of
http://www.nd.edu/~rwilliam/stats1/TwoSample-Stata.pdf
Various other basic commands are covered at
http://www.nd.edu/~rwilliam/stats1/StataHighlights.html
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Richard Williams, Notre Dame Dept of Sociology
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