Movie studios segment their markets by age. Two segments that are particularly important to this industry are teenagers and 20- to 30-year-olds. To assess markets and guide the making of movies, a random sample of teenagers and 20- to 30-year-olds was drawn. Each was asked to report the number of movies they saw in theaters last year. Do these data allow us to infer that teenagers see more movies than 20- to 30-year-olds?
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