Question
. A simple random sample of eight college freshmen were asked how many hours of sleep they typically got per night. The results were 8.52497.586.58.56
. A simple random sample of eight college freshmen were asked how many hours of sleep they typically got per night. The results were
8.52497.586.58.56
Notice that one joker said that he sleeps 24 hours a day
The data contains 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.
A 98% confidence interval for the mean amount of sleep from the remaining values is
(?<
Leave the outlier in and construct the98%confidence interval. Round the answers to two decimal places.
If the outlier is included the98%confidence interval is (?<
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An Introduction To Statistical Methods And Data Analysis
Authors: R. Lyman Ott, Micheal T. Longnecker
7th Edition
1305269470, 978-1305465527, 1305465520, 978-1305269477
