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August 29, 2015

Homework Help: Statistics. I Need Help Please

Posted by Mary on Monday, June 6, 2011 at 7:15pm.

George scored a 62 on his AP World History test and had a z-score of -3.75. Julie is also in the class with George and scored an 83 on the same test, with a z-score of 1.5. From this information, FIND THE CLASS mean and standard deviation.

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