29%, CBS 28%, NBC 25%, and independents 18%. A sample of 300 homes two weeks after a Saturday night schedule re ed the following viewing audience data: ABC 95 homes, CBS 70 homes, NBC 89 homes, and independents 46 homes. Test .05 to determine whether the viewing audience proportions changed. Use Table 12.4. nd your answers to two decimal places. 6.87 lue is between and dusion: re is no significant change in the viewing audience proportions.

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