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Suppose that the mean math score on the ACT taken recently was 21 with a standard deviation of 5.3, and that the mean math score

Suppose that the mean math score on the ACT taken recently was 21 with a standard deviation of 5.3, and that the mean math score on the SAT taken at the same time was a 516 with a standard deviation of 116. Joes had a math score of 25. Donald had a math SAT score of 550. compute the z-score of joes act score. round to two decimal places

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