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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 24 Part 1 of 3 8.5 6.5 7 Send data to Excel Notice that one joker said that he sleeps 24 a day. 7.5 (a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct an 80% confidence interval for

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 24 Part 1 of 3 8.5 6.5 7 Send data to Excel Notice that one joker said that he sleeps 24 a day. 7.5 (a) The data contain an outlier that is clearly a mistake. Eliminate the outlier, then construct an 80% confidence interval for

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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 Send data to Excel Part 1 of 3 Notice that one joker said that he sleeps 24 a day. 6.5 24 . Your answer is correct. Part: 1/3 8.5 6.5 (a) 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 at least two decimal places. An 80% confidence interval for the mean amount of sleep from the remaining values is 6.95<u- 7.76 Part 2 of 3 7 7.5 (b) Leave the outlier in and construct the 80% confidence interval. Round the answers to at least two decimal places. <0. If the outlier is included the 80% confidence interval is <µ< ! 2 La olo
Transcribed Image Text: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 Send data to Excel Part 1 of 3 Notice that one joker said that he sleeps 24 a day. 6.5 24 . Your answer is correct. Part: 1/3 8.5 6.5 (a) 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 at least two decimal places. An 80% confidence interval for the mean amount of sleep from the remaining values is 6.95<u- 7.76 Part 2 of 3 7 7.5 (b) Leave the outlier in and construct the 80% confidence interval. Round the answers to at least two decimal places. <0. If the outlier is included the 80% confidence interval is <µ< ! 2 La olo
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