Facebook considers someone a 'regular user' if they log on to their Facebook page at least three times per week. In a survey of college students, 729 out of 900 women surveyed said that they log on to their Facebook page at least three times per week. 616 out of 800 men surveyed said that they log on to their Facebook page at least three times per week. a) Make a 90% confidence interval for how much more likely women are to spend at least three hours per week than men. b) Explain how you can use this confidence interval to predict whether a hypothesis test will show that women in college are more likely to spend more than 3 hours a week on Facebook than men. c) Perform the hypothesis test which will answer the following question: Does this data provide statistically significant evidence that women in college are more likely than men in college to spend at least 3 hours a week on Facebook?|
Facebook considers someone a 'regular user' if they log on to their Facebook page at least three times per week. In a survey of college students, 729 out of 900 women surveyed said that they log on to their Facebook page at least three times per week. 616 out of 800 men surveyed said that they log on to their Facebook page at least three times per week. a) Make a 90% confidence interval for how much more likely women are to spend at least three hours per week than men. b) Explain how you can use this confidence interval to predict whether a hypothesis test will show that women in college are more likely to spend more than 3 hours a week on Facebook than men. c) Perform the hypothesis test which will answer the following question: Does this data provide statistically significant evidence that women in college are more likely than men in college to spend at least 3 hours a week on Facebook?|
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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