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January 31, 2015

January 31, 2015

Posted by **Anonymous** on Sunday, September 25, 2011 at 6:52pm.

- statistics -
**MathGuru**, Sunday, September 25, 2011 at 8:16pmUse z-score formula:

z = (x - mean)/sd

mean = 70

sd = 20

Substitute the values you have into the formula to find z-scores.

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