To calculate grades in her statistics course, Professor Clark converted the raw scores on all four exams

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To calculate grades in her statistics course, Professor Clark converted the raw scores on all four exams to z scores. Each student€™s final course grade was then based on his or her highest z score. Sara€™s raw scores are shown below along with the mean and standard deviation for each of the four exams. On which exam did Sara have the highest z score?

Raw Standard Mean Deviation Exam Score A 50 45 10 B 30 30 10 25 20 2 D 25 20 3

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Statistics

ISBN: 9781119254515

11th Edition

Authors: Robert S. Witte, John S. Witte

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