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IQ Scores have a mean of 100 and a standard deviation of 15 . Mary has an IQ of 130 . (A) What is the

IQ Scores have a mean of 100 and a standard deviation of 15. Mary has an IQ of 130.

(A) What is the difference between Marys's IQ and the Mean?___________

(B) How many Standard deviations is Mary's IQ score from the mean? _______________

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