Solved: Estimate mean hours of sleep-different at the two schools, Basic Statistics

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Estimate mean hours of sleep-different at the two schools

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Q: Do students sleep more in Pensylvania or in California? Data from surveys in elementary statistics classes at Penn State University and the University of California at Davis resulted in the following summary statistics for the number of hours students

sleep:

nMean

Standard

Deviation

Standard Error

of Mean

UC-Davis 173 6.93 1.71 0.13

Penn State 190 7.11 1.95 0.14

Assume that these students are representative of all students at those two schools. Is there sufficient statistical evidence to conclude that the mean hours of sleep are different at the two schools?

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Basic Statistics: Estimate mean hours of sleep-different at the two schools

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Basic Statistics: Estimate mean hours of sleep-different at the two schools

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