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st: RE: RE: comparing different means using ttest
From
Nick Cox <[email protected]>
To
"'[email protected]'" <[email protected]>
Subject
st: RE: RE: comparing different means using ttest
Date
Thu, 16 Dec 2010 18:16:48 +0000
A senior Stata user, who might not want to be named, pointed out the counter-example of a Poisson variable. Clearly correct: if you know that your variable is Poisson, then the mean is also the variance.
Nick
[email protected]
Nick Cox
[...]
any more than the mean of anything tells you about its variability.
[...]
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