Sleeping outlier: A simple random sample of eight college freshmen were asked how many hours of sleep they typically got per night. The results were 7.5 8 6.5 248.5 6.5 7 7.5 Download data Notice that one joker said that he sleeps 24 hours a day. Part 1 out of 3 The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct an 80% confidence interval for the mean amount of sleep from the remaining values. Round the answers to two decimal places. An 80% confidence interval for the mean amount of sleep from the remaining values is: