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Sleeping outlier: A simple random sample of ten college freshmen were asked how many hours of sleep they typically got per night. The results were 8.5 8 6.5 7.5 8.5 24 6.5 9.5 Send data to Excel Notice that one joker said that he sleeps 24 a day. Part: 0 / 3 Part 1 of 3 (a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct a 98% confidence interval for the mean amount of sleep from the remaining values. Round the answers to at least two decimal places. A 98% confidence interval for the mean amount of sleep from the remaining values is 4.72