In Problems 27-30 suppose that, for a certain exam, a teacher grades on a curve. It is
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In Problems 27-30 suppose that, for a certain exam, a teacher grades on a curve. It is known that the mean is 50 and the standard deviation is 5. There are 45 students in the class.
What is the variance in scores for this exam?
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The variance of a set of scores is a measure of how much the scores deviate on average from the ...View the full answer
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