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April 16, 2014

Homework Help: data

Posted by Linda on Wednesday, October 8, 2008 at 11:31am.

on a standard Iq test the scores are normally distributed with a mean of 100 and a standard devaition of 20.
A. if you score 140 in whst precentile are you?
B. if you score 90 on what percentil are you?

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