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Mathematics, 02.12.2020 17:10 jeffrijv
Independent random samples of released prisoners in the fraud and firearms offense categories yielded the given information on time served in months. At the 1% significance level, do the data provide sufficient evidence to conclude that the meantime served for fraud is less than that for firearms offenses? Assume that populations standard deviations are the same for both groups. (i. e., we assume σ1 = σ2 .)
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