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st: obtain SD from P value for a paired t-test
From
Marcos Vinicius <[email protected]>
To
STATA LIST <[email protected]>
Subject
st: obtain SD from P value for a paired t-test
Date
Tue, 1 Oct 2013 08:09:55 -0800
Hello,
Anyone knows a way to obtain standard deviation(sd) from P value for a paired t-test.?
Consider that I know:
Average pre
SD pre
Average post
SD post (to be determined from others parameters)
P value from paired t test
Average pre=6.5
SD pre=1.8
Average post =4.9
SD post ??(to be determined from others parameters)
P value from paired t test p=0.0003
Any help would be greatly appreciated
Thanks
Vinicius
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