researcher was interested in comparing the amount of time spent watching television by women and by men. Independent simple random samples of 14 women and 17 men were selected, and each person was asked how many hours he or she had watched television during the previous week. The summary statistics are as follows. women: x1=12.6 hrs, s1=3.9 hrs, n1=14.0 men : x2 = 14.0 hrs, s2= 5.2 hrs, n2= 17 Construct a 99% confidence interval for the difference between the mean amount of time spent watching television for women and the mean amount of time spent watching television for men.
researcher was interested in comparing the amount of time spent watching television by women and by men. Independent simple random samples of 14 women and 17 men were selected, and each person was asked how many hours he or she had watched television during the previous week. The summary statistics are as follows. women: x1=12.6 hrs, s1=3.9 hrs, n1=14.0 men : x2 = 14.0 hrs, s2= 5.2 hrs, n2= 17 Construct a 99% confidence interval for the difference between the mean amount of time spent watching television for women and the mean amount of time spent watching television for men.
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section: Chapter Questions
Problem 8CR
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A researcher was interested in comparing the amount of time spent watching television by women and by men. Independent simple random samples of 14 women and 17 men were selected, and each person was asked how many hours he or she had watched television during the previous week. The summary statistics are as follows.
women: x1=12.6 hrs, s1=3.9 hrs, n1=14.0
men : x2 = 14.0 hrs, s2= 5.2 hrs, n2= 17
Construct a 99% confidence interval for the difference between the mean amount of time spent watching television for women and the mean amount of time spent watching television for men.
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