Question: Test grades on the last statistics exam had a mean = 77 and standard deviation = 2.4. Suppose the teacher decides to curve by subtraction
Test grades on the last statistics exam had a mean = 77 and standard deviation = 2.4. Suppose the teacher decides to curve by subtraction 32 from all scores then doubling the values. If Y represents the new test scores, what is the mean and standard deviation of Y?
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