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August 3, 2015

Homework Help: Statistics

Posted by LT on Wednesday, October 17, 2007 at 2:24pm.

1) Find the missing parameter

1.mean 15, 30.15 %, above 50; what is the standard deviation
2.mean 75, 5.05% below 30; what is the standard deviation
3.standard deviation 9, 85.08% below 105: what is the mean
4.standard deviation 16.8, 15.62% above 18.3: what is the mean

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