Test population mean-- Statistics Hypotheses Testing by ClassOf1

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									              Sub: Statistics                                                               Topic: Hypothesis Testing



              Question:
              To test whether the populations mean TV “on” time has declined in the past decade.
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              It has been reported that entertainment habits in America are changing and people today are
              watching less television than in the past (traditional defined as programming delivered via
              broadcast, cable including fiber optic, and satellite). In its place many people are surfing the
              Internet for diversion as well as playing video games and watching DVDs.

              Let’s say in 1998 at least one television was turned on in the average American home 9 hours
              and 40 minutes per day. Below right is given example data representing a random sample of
              households showing the number of m
								
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