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January 31, 2015

January 31, 2015

Posted by **latisha** on Thursday, November 14, 2013 at 10:32pm.

- statistics -
**Reiny**, Thursday, November 14, 2013 at 10:38pmz-score = (88 - 75)/10

= ....

- statistics -
**Kuai**, Thursday, November 14, 2013 at 11:56pmz = (88-75)/(10/sqrt((40))

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