During "sweeps week" last year, the viewing audience was distributed as follows: 36% NBC, 22% ABC, and 24% CBS, and 18% FOX. This year during "sweeps week" a sample of 50 homes yielded the following data. Use Excel to test at $\alpha$ = .05 to determine if the audience proportions have changed.

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The Answer of During "sweeps week" last year, the viewing audience was distributed as follows: 36% NBC, 22% ABC, and 24% CBS, and 18% FOX. This year during "sweeps week" a sample of 50 homes yielded the following data. Use Excel to test at $\alpha$ = .05 to determine if the audience proportions have changed.

During "Sweeps Week" Last Year, the Viewing Audience Was Distributed α\alphaα

During "Sweeps Week" Last Year, the Viewing Audience Was Distributed $\alpha$