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Posted by **judy( Help needed ,Please!?** on Saturday, July 7, 2012 at 12:22pm.

- STATISTICS -
**PsyDAG**, Saturday, July 7, 2012 at 1:40pmZ = (score-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/probability related to the Z score.

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