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Question 8 of 10 Suppose that, based on a sample, the 68% confidence interval for the mean of a population is (63, 75). What was

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Question 8 of 10 Suppose that, based on a sample, the 68% confidence interval for the mean of a population is (63, 75). What was the mean of the sample? A. 69 O B. 73 O C. 81 O D. 77 SUBMIT

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