eeping outlier: A simple random sample of nine college freshmen were asked how many hours of sleep they typically got per night. The results were 8 8.5 9 Send data to Excel 24 6.5 6 9.5 otice that one joker said that he sleeps 24 hours a day. 7.5 7.5

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Author:Amos Gilat
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eeping outlier: A simple random sample of nine college freshmen were asked how many hours of sleep they typically got per night. The results were
6.5 6
7.5 7.5
8.5 9
Send data to Excel
8
Part: 0/3
Part 1 of 3
24
otice that one joker said that he sleeps 24 hours a day.
9.5
(a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct a 99% confidence interval for the mean amount of sleep from
the remaining values. Round the answers to two decimal places.
A 99% confidence interval for the mean amount of sleep from the remaining values is
X
<μ<
S
8
000
Transcribed Image Text:eeping outlier: A simple random sample of nine college freshmen were asked how many hours of sleep they typically got per night. The results were 6.5 6 7.5 7.5 8.5 9 Send data to Excel 8 Part: 0/3 Part 1 of 3 24 otice that one joker said that he sleeps 24 hours a day. 9.5 (a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct a 99% confidence interval for the mean amount of sleep from the remaining values. Round the answers to two decimal places. A 99% confidence interval for the mean amount of sleep from the remaining values is X <μ< S 8 000
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