Television viewing habits are changing. In January 2019, Hub Entertainment Research (https://www.marketingcharts.com/industries/media-and-entertainment-108210) asked consumers, “Which networks/sources would you keep if you could only keep some?” Using this information, in the top four choices, 37% of all viewers would keep Netflix, 23% would keep CBS, 20% would keep ABC, and 20% would keep NBC. A random sample of 120 viewers who were 35 years or older showed that 28 would keep ABC, 32 would keep CBS, 30 would keep NBC, and 30 would keep Netflix. b. State the decision rule using 0.05 significance level. (Round your answer to 3 decimal places.) c. Compute the value of chi-square. (Round your answer to 4 decimal places.)
Television viewing habits are changing. In January 2019, Hub Entertainment Research (https://www.marketingcharts.com/industries/media-and-entertainment-108210) asked consumers, “Which networks/sources would you keep if you could only keep some?” Using this information, in the top four choices, 37% of all viewers would keep Netflix, 23% would keep CBS, 20% would keep ABC, and 20% would keep NBC. A random sample of 120 viewers who were 35 years or older showed that 28 would keep ABC, 32 would keep CBS, 30 would keep NBC, and 30 would keep Netflix.
b. State the decision rule using 0.05 significance level. (Round your answer to 3 decimal places.)
c. Compute the value of chi-square. (Round your answer to 4 decimal places.)
Step by step
Solved in 3 steps with 1 images
