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April 16, 2014

April 16, 2014

Posted by **Shams** on Tuesday, October 26, 2010 at 6:31am.

- Statistics -
**PsyDAG**, Tuesday, October 26, 2010 at 10:56amZ = (mean1 - mean2)/standard error (SE) of difference between means

SEdiff = ?(SEmean1^2 + SEmean2^2)

SEm = SD/?(n-1)

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion related to that Z score.

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