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2. You are a movie audience analyst. You believe that the average age of moviegoers has been increasing since the last decade. In the last
2. You are a movie audience analyst. You believe that the average age of moviegoers has been increasing since the last decade. In the last decade, the average age of moviegoers is 21 years old. You are limited to the movie theaters in your surrounding area, and you gathered the following data: 28 27 27 30 31 26 Assume the variable is normally distributed. Can you back your claim at a = 0.01
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