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April 18, 2015

April 18, 2015

Posted by **Leigh** on Friday, October 1, 2010 at 1:18pm.

- Statistics -
**TutorCat**, Friday, October 1, 2010 at 7:01pmthe formula of z-score:

z=(x-mu)/sigma

where mu=mean and sigma=standard deviation

find the z-score equivalent on the table that is equivalent to .85 to substitute back into equation and solve for x

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