Suppose that, based on a sample, the 95% confidence interval for the mean of a population is (61,85). What was the mean of the sample?
A. 73
B. 81
C. 69
D. 77
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Home » Mathematics » Suppose that, based on a sample, the 95% confidence interval for the mean of a population is (61,85). What was the mean of the sample? A. 73 B. 81 C. 69 D. 77