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Sufficient evidence to conclude that the average stay

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The average length of a prison term in the United States for white collar crime is 34.9 months. A random sample of 40 prison terms indicated a mean stay of 28.5 months with a standard deviation of 8.9 months. At α = .04, is there sufficient evidence to conclude that the average stay differs from 34.9 months?

Reference no: EM131173706

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