According to Variety (Aug. 27, 2009), the average age of viewers of live television programs br CBS, NBC, and ABC is 51 years. Suppose a rival network (e.g. Fox) executive hypothesizes that average age of Fox viewers is less than 51. To test her hypotheses, she samples 200 Fox viewers and determines the age of each. 1. Describe the population. 2. Describe the variable of interest. 3. Describe the sample. 4. Describe the inference.

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