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A recent study claimed that at least 15 of junior high students are overweight Te test this claim a random sample of 160 students is

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A recent study claimed that at least 15 of junior high students are overweight Te test this claim a random sample of 160 students is surveyed and 18 of the subjects were found to be overweight Use this sample data to test the study s claim at 0 05 significance of 05

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