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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
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:
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