A sample of 31 university students was asked how much time they spend on average a week in sleep. The sample mean and sample standard deviation were 7.5 and 2.5 hours, respectively. Estimate with 95% confidence interval the mean number of hours students spend in front of a computer a week. 

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Answer rating: 100% (QA)

To estimate the mean number of hours students spend in front of a computer per week we can use the i... View the full answer