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September 22, 2014

September 22, 2014

Posted by **Coco** on Thursday, November 8, 2012 at 12:41am.

- statistic -
**PsyDAG**, Thursday, November 8, 2012 at 10:26amFind table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion (.80) related to the Z score. Use the Z score in the equation below.

Z = (score-mean)/SD

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