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March 30, 2015

Posted by **angie** on Friday, September 10, 2010 at 1:37pm.

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**PsyDAG**, Saturday, September 11, 2010 at 12:00pmThird Quartile = 75th percentile

Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the Z score = 75th percentile. Put the appropriate values into this equation to solve for the score.

Z = (score-mean)/SD

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**mary**, Thursday, September 16, 2010 at 7:37pm42

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