Mathematics, 21.02.2020 22:52 Zachary4759

Suppose a set of test scores is approximately bell-shaped, with a mean of 66 and a range of 60.

(a) The minimum test score is approximately 36 Correct: Your answer is correct. , and the maximum test score is approximately 96 Correct: Your answer is correct. .
(b) The standard deviation of the test scores is approximately

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Suppose a set of test scores is approximately bell-shaped, with a mean of 66 and a range of 60.