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January 27, 2015

January 27, 2015

Posted by **tita** on Friday, March 22, 2013 at 2:55pm.

- stats -
**MathGuru**, Friday, March 22, 2013 at 9:22pmZ-score formula:

z = (x - mean)/sd

With your data:

z = 10/15 = 0.67 (rounded)

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