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April 1, 2015

April 1, 2015

Posted by **anne** on Thursday, March 17, 2011 at 8:58am.

- statistics -
**PsyDAG**, Thursday, March 17, 2011 at 12:39pmZ = (sample mean - mean)/standard error (SE) of mean

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 the Z score.

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