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December 22, 2014

December 22, 2014

Posted by **jordan** on Monday, May 21, 2012 at 9:21pm.

- statistics -
**PsyDAG**, Tuesday, May 22, 2012 at 10:54amPercentile is percentage ≤ a particular score.

Z = (score-mean)/SD

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. Multiply by 100 to get percentage.

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