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August 2, 2014

Homework Help: statistics

Posted by Anonymous on Wednesday, October 19, 2011 at 8:35pm.

Assuming that the data are normally distributed with a mean of 45 and a standard deviation of 3.25, what is the z-score for a value of 40? (Points : 6)
1.54
2.38
-1.36
-1.54

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