A school dentist wanted to test the claim, at a 0.05, that

Chapter 13, Problem 15

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A school dentist wanted to test the claim, at a 0.05, that the number of cavities in fourth-grade students is random. Forty students were checked, and the number of cavities each had is shown here. Test for randomness of the values above or below the median. 04606253151 22137360260 23152130237 3151122

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