The data shown are the weekly admissions, in millions, of people attending movie theaters over three different

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The data shown are the weekly admissions, in millions, of people attending movie theaters over three different time periods. At α = 0.05, is there a difference in the means for the weekly attendance for these time periods?

1950–1974 1975–1990 1991–2000 58.0 17.1 23.3 39.9 19.9 26.6 25.1 19.6 27.7 26.5 20.3 19.8 17.7 22.9 25.8

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