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January 31, 2015

January 31, 2015

Posted by **Andrew** on Monday, February 4, 2008 at 12:38am.

- statistics -
**drwls**, Monday, February 4, 2008 at 7:22amSince (Score-Mean)= 90 - 85

= z*(std. deviation) = 5 ,

std. deviation = 5/z = 5/1.00 = 5

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