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February 1, 2015

February 1, 2015

Posted by **Mrs. Lakshmi** on Thursday, December 31, 2009 at 5:07am.

- Statistics -
**PsyDAG**, Thursday, December 31, 2009 at 9:26amHo: mean1 = mean2

H1: mean1 ≠ mean2

Z = (mean 1 -mean2)/ (SD/sq rt N)

Find Z value and look it up in table in the back of your statistics text called something like "areas under normal distribution" to get p value.

I hope this helps.

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