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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
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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Understanding Business Statistics
Authors: Stacey Jones, Tim Bergquist, Ned Freed
1st edition
1118145259, 978-1118145258
