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 (The Wall Street Journal, March 10, 2003). 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. a. Develop the hypotheses if CNN management would like information on an increase in the CNN viewing audience. b. Determine the test statistic and the associated p-value. c. Select a level of significance. What is your conclusion?
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 (The Wall Street Journal, March 10, 2003). 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. a. Develop the hypotheses if CNN management would like information on an increase in the CNN viewing audience. b. Determine the test statistic and the associated p-value. c. Select a level of significance. What is your conclusion?
MATLAB: An Introduction with Applications
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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 (The Wall Street Journal, March 10, 2003). 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.
a. Develop the hypotheses if CNN management would like information on an increase in the CNN
viewing audience.
b. Determine the test statistic and the associated p-value.
c. Select a level of significance. What is your conclusion?
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