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参考号：EM1317284

A local group claims that the police issue more than 60 speeding tickets a day in their area. To provoide their point, they randomly select two weeks. Their research yeilds the number of tickets issued for each day. The data are listed below. At α = 0.01, test the group'a claim.

70 48 41 68 69 55 70 57 60 83 42 60 72 58

参考号：EM1317284

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