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During the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to 9:00...

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Statistics

During the first 13 weeks of the television season, the Saturdayevening 8:00 P.M. to 9:00 P.M. audience proportions were recordedas ABC 30%, CBS 28%, NBC 22%, and independents 20%. A sample of 300homes two weeks after a Saturday night schedule revision yieldedthe following viewing audience data: ABC 93 homes, CBS 70 homes,NBC 82 homes, and independents 55 homes. Test with =.05 todetermine whether the viewing audience proportions changed. Roundyour answers to two decimal places.

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SolutionState the hypotheses The first step is tostate the null hypothesis and an alternative hypothesisNull hypothesis The Audience for sample of 300 homes is same asduring the first 13 weeksAlternative hypothesis At least one of the proportions in    See Answer
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