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December 25, 2014

December 25, 2014

Posted by **Shelby** on Tuesday, June 11, 2013 at 7:23pm.

- Math -
**PsyDAG**, Wednesday, June 12, 2013 at 7:59pmZ = (score-mean)/SD

SD is estimated as 1/4 of range.

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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