Introduction to Business Statistics
Introduction to Business Statistics
7th Edition
ISBN: 9781111792374
Author: WEIERS
Publisher: Cengage Learning
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Textbook Question
Chapter 11.2, Problem 11.3E

Using independent random samples, a researcher is comparing the number of hours of television viewed last week for high school seniors versus sophomores. The results are shown here. Assuming normal populationswith equal standard deviations, does it appear that the average number of television hours per week could be equal for these two populations? What is the most accurate statement that could be made about the p-value for the test?
Seniors: x ¯ 1 = 3.9  hours   s 1 = 1.2 hours  n 1 = 32
Sophomores: x ¯ 2 = 3.5  hours   s 2 = 1.4  hours  n 2 = 30

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