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2. Hypothesis Tests - sigma unknown: AOL Time Warner Inc.'s CNN has been the longtime ratings leader of cable television news. Nielsen Media Research indicated that the mean CNN viewing audience was 600,000 viewers per day during 2002. Assume that for a sample of 40 days during the first half of 2003, the daily audience was 612,000 viewers with a sample standard deviation of 65,000 viewers. What are the hypotheses if CNN management would like information on any change in the CNN viewing audience? What recommendation would you make to CNN management in this application? Support your answer. a. State the null and alternative hypotheses. b. What is your conclusion based on critical value approach? (Show graph to support your answer) c. What is your conclusion based on P-value approach? (Show graph to support your answer)

2. Hypothesis Tests - sigma unknown: AOL Time Warner Inc.'s CNN has been the longtime ratings leader of cable television news. Nielsen Media Research indicated that the mean CNN viewing audience was 600,000 viewers per day during 2002. Assume that for a sample of 40 days during the first half of 2003, the daily audience was 612,000 viewers with a sample standard deviation of 65,000 viewers. What are the hypotheses if CNN management would like information on any change in the CNN viewing audience? What recommendation would you make to CNN management in this application? Support your answer. a. State the null and alternative hypotheses. b. What is your conclusion based on critical value approach? (Show graph to support your answer) c. What is your conclusion based on P-value approach? (Show graph to support your answer)

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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2. Hypothesis Tests - sigma unknown: AOL Time Warner Inc.'s CNN has been the longtime ratings leader of cable television news. Nielsen Media Research indicated that the mean CNN viewing audience was 600,000 viewers per day during 2002. Assume that for a sample of 40 days during the first half of 2003, the daily audience was 612,000 viewers with a sample standard deviation of 65,000 viewers. What are the hypotheses if CNN management would like information on any change in the CNN viewing audience? What recommendation would you make to CNN management in this application? Support your answer. a. State the null and alternative hypotheses. b. What is your conclusion based on critical value approach? (Show graph to support your answer) c. What is your conclusion based on P-value approach? (Show graph to support your answer)
Transcribed Image Text:2. Hypothesis Tests - sigma unknown: AOL Time Warner Inc.'s CNN has been the longtime ratings leader of cable television news. Nielsen Media Research indicated that the mean CNN viewing audience was 600,000 viewers per day during 2002. Assume that for a sample of 40 days during the first half of 2003, the daily audience was 612,000 viewers with a sample standard deviation of 65,000 viewers. What are the hypotheses if CNN management would like information on any change in the CNN viewing audience? What recommendation would you make to CNN management in this application? Support your answer. a. State the null and alternative hypotheses. b. What is your conclusion based on critical value approach? (Show graph to support your answer) c. What is your conclusion based on P-value approach? (Show graph to support your answer)
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