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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 Men x1 = 12.8 x2 = 16.6 s1 = 4.1 n1 = 14 s2 = 4.7 n2 = 17 Determine a 95% confidence interval for the difference between the mean weekly television watching times of women and men. (A) -7.08 to -0.52 hours -7.20 to -0.40 hours B) -7.35 to -0.25 hours D) -6.52 to -1.08 hours

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 Men x1 = 12.8 x2 = 16.6 s1 = 4.1 n1 = 14 s2 = 4.7 n2 = 17 Determine a 95% confidence interval for the difference between the mean weekly television watching times of women and men. (A) -7.08 to -0.52 hours -7.20 to -0.40 hours B) -7.35 to -0.25 hours D) -6.52 to -1.08 hours

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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3) 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 Men x1 = 12.8 x2 = 16.6 $1 = 4.1 $24.7 n₁ = 14 n2 = 17 Determine a 95% confidence interval for the difference between the mean weekly television watching times of women and men. (A) -7.08 to -0.52 hours -7.20 to -0.40 hours B) -7.35 to -0.25 hours D) -6.52 to -1.08 hours
Transcribed Image Text:3) 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 Men x1 = 12.8 x2 = 16.6 $1 = 4.1 $24.7 n₁ = 14 n2 = 17 Determine a 95% confidence interval for the difference between the mean weekly television watching times of women and men. (A) -7.08 to -0.52 hours -7.20 to -0.40 hours B) -7.35 to -0.25 hours D) -6.52 to -1.08 hours
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