Question
During the first 13 weeks of television season, the Saturday evening 8:00pm to 9:00pm audience proportions were recorded as ABC 29%, CBS 28%, NBC 25%,
During the first 13 weeks of television season, the Saturday evening 8:00pm to 9:00pm audience proportions were recorded as ABC 29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule revision yielded the following viewing audience data: ABC 95 homes, CBS 70 homes, NBC 89 homes, and independents 46 homes. Test with = 0.05 to determine whether the viewing audience proportions changed.
a. State the null hypothesis and alternative hypothesis.
b. whats the conclusion
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Elementary Statisitcs
Authors: Barry Monk
2nd edition
1259345297, 978-0077836351, 77836359, 978-1259295911, 1259295915, 978-1259292484, 1259292487, 978-1259345296
