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 6 9 8.5 24 6.5 9.5

Notice that one joker said that he sleeps 24 hours a day.

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 two decimal places.A98

%

confidence interval for the mean amount of sleep from the remaining values is: