Question: A faculty member is interested in estimating the average number of hours students preparing for class per week. After getting a list of students from

A faculty member is interested in estimating the average number of hours students preparing for class per week. After getting a list of students from the Dean, she drew a random sample of 37 students for which she obtained a sample mean of 15.8 hours and a sample standard deviation of 2 hours. Construct a 95% confidence interval to estimate the mean number of hours spent preparing for class.

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