SAT, 04.05.2021 17:30, vanessam16

Moviegoers The average "moviegoer" sees 8.5 movies a year. A moviegoer is defined as a person who sees at least one movie in a theater in a 12-month period.
A random sample of 40 moviegoers from a large university revealed that the
average number of movies seen per person was 9.6. The population standard
daviation is 3.2 movies. At the 0.05 level of significance, can it be concluded that
this represents a difference from the national average?

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Moviegoers The average "moviegoer" sees 8.5 movies a year. A moviegoer is defined as a person who...