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9. You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students.

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9. You receive a brochure from a large university. The brochure indicates that the mean class size for full-time faculty is fewer than 32 students. You want to test this claim. You randomly select 18 classes taught by full-time faculty and determine the class size of each: 35 28 29 33 32 40 26 25 29 28 30 36 33 29 27 30 28 25 Find the sample mean and sample standard deviation of the data. ) At a = 0.05, can you support the university's claim? (Show entire hypothesis test)

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