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if the mean of a test is 80 and the standard deviation=12. Transform a score of 75 to a standard score with a mean of

if the mean of a test is 80 and the standard deviation=12. Transform a score of 75 to a standard score with a mean of 50 and standard deviation of 10

A. 45.8

B. 42.2

C. 47

D. 28.7

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