2. Researchers found that students who binge drink spend a mean time of 4.9 hours drinking during each episode with a standard deviation of 1.1 hours. (a) For samples of size 40, find the mean and standard deviation of all possible sample mean episode times. (b) For samples of size 120, find the mean and standard deviation of all possible sample mean episode times.
2. Researchers found that students who binge drink spend a mean time of 4.9 hours drinking during each episode with a standard deviation of 1.1 hours. (a) For samples of size 40, find the mean and standard deviation of all possible sample mean episode times. (b) For samples of size 120, find the mean and standard deviation of all possible sample mean episode times.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 22SGR
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Transcribed Image Text:2. Researchers found that students who binge drink spend a mean time of 4.9 hours
drinking during each episode with a standard deviation of 1.1 hours.
(a) For samples of size 40, find the mean and standard deviation of all possible
sample mean episode times.
(b) For samples of size 120, find the mean and standard deviation of all possible
sample mean episode times.
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