It's a probability, expressed as a fraction of 1.
Some information that may help:
http://www.informit.com/articles/article.aspx?p=461631
http://en.wikipedia.org/wiki/Student%27s_t-distribution
http://office.microsoft.com/en-us/excel/HP052093251033.aspx
http://support.microsoft.com/kb/829208
Cheers
On 2/11/09 3:10 PM, in article 59b7fc27.-1.TakeThisOut@webcrossing.caR9absDaxw,
"agierut@officeformac.com" <agierut.TakeThisOut@officeformac.com> wrote:
> Version: 2008
> Operating System: Mac OS X 10.6 (Snow Leopard)
> Processor: Intel
>
> The function TTEST on Excel... is the output a T-value, or is it a P-value? I
> am trying to analyze data with this test of significance, & I am unsure how to
> interpret the output of the TTEST function on excel. Thanks.
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