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The financial office at a large university claims that the average cost of textbooks per...

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Calculus

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The financial office at a large university claims that the average cost of textbooks per semester for students is 350 The campus newspaper wants to verify if the claim is true Using a sample of 60 students the newspaper calculated a sample mean of 400 Based on this information we can safely conclude that the university s claim that the mean textbook expenditure of 350 is not justified True False 3

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