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April 19, 2014

April 19, 2014

Posted by **Anonymous** on Tuesday, February 14, 2012 at 8:26pm.

- Statistics -
**PsyDAG**, Wednesday, February 15, 2012 at 11:29amFirst of all, on standard IQ tests (e.g., WISC and WAIS), SD = 15, but I will go with your data.

Z = (score-mean)/SD

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion between the two Z scores. Change to percentage.

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