Question
From a random sample of 41 teens, it is found that on average they spend 31.8 hours each week online with a standard deviation of
From a random sample of 41 teens, it is found that on average they spend 31.8 hours each week online with a standard deviation of 3.65 hours. What is the 90% confidence interval for the amount of time they spend online each week?
(24.50, 39.10)
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Algebra 2
Authors: Edward B. Burger, Juli K. Dixon, Steven J. Leinwand, Timothy D. Kanold
1st Edition
0544385918, 978-0544385917
