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9 of 9 (6 complete) HW Score: 61. 11%, 5.5 of 9 pts 12.4.32 Question Help + Suppose you scored 76, 74, 72, and 86

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9 of 9 (6 complete) HW Score: 61. 11%, 5.5 of 9 pts 12.4.32 Question Help + Suppose you scored 76, 74, 72, and 86 3 on your four exams in a mathematics course. Calculate the range and standard deviation of your exam scores. Round the mean to the nearest tenth to calculate the standard deviation. The range of the exam scores is 14 (Simplify your answer.) The standard deviation of the exam scores is (Round to two decimal places as needed.)

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