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February 28, 2015

February 28, 2015

Posted by **Mile** on Sunday, November 27, 2011 at 8:53pm.

- statistics -
**PsyDAG**, Monday, November 28, 2011 at 11:41amZ = (mean1 - mean2)/standard error of the mean (SEm)

SEm = SD/√n

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

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