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Re: st: what's the big T in the t-test results


From   Antoine Terracol <[email protected]>
To   [email protected]
Subject   Re: st: what's the big T in the t-test results
Date   Tue, 15 Jun 2010 22:19:03 +0200

I'd say T is the random variable with a Student distribution under the null, and t is the observed value of the test statitic

Antoine

On 15/06/2010 22:11, Airey, David C wrote:
.

What are the capital Ts in the results printed out after using ttest, e.g.,

Pr(T<  t), Pr(|T|>  |t|), or Pr(T>  t)

for the one-tailed and two-tailed HAs? I interpret the p values as the probability that the sample mean came from the null sampling distribution, but what is the English for Pr(T>  t)?

Thanks.

-Dave
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