tony6295 tony6295

08-05-2024
Mathematics

Answered

Last rating period, the percentages of viewers watching several channels between 11 p.m. and 11:30 p.m. in a major TV market were as follows:

WDUX WWTY WACO WTJW Others
(News) (News) (Cheers Reruns) (News)
13% 24% 22% 16% 25%

Suppose that in the current rating period, a survey of 2,000 viewers gives the following frequencies:

WDUX WWTY WACO WTJW Others
(News) (News) (Cheers Reruns) (News)
326 500 551 323 300

Show that it is appropriate to carry out a chi-square test using these data and calculate the value of the test statistic.

Each expected value is ≥
χ²χ²

Answer :

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