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September 30, 2014

Posted by **julide smith** on Saturday, June 11, 2011 at 6:53pm.

- statistics -
**julide smith**, Saturday, June 11, 2011 at 6:54pmdont know

- statistics -
**TutorCat**, Sunday, June 12, 2011 at 2:25amz=(x-μ)/σ

Find the p-value of each z-score by looking it up in the z chart.

It'll help you determine the percentile rank if you draw the normal distribution curve.

http://www.mathsisfun.com/data/standard-normal-distribution-table.html

- statistics -
**kim**, Wednesday, October 31, 2012 at 10:37pmμ = 70 and σ = 20

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