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Calculate the 99% confidence interval for the difference (mu1-mu2) of two population means given the following sampling results. Population 1: sample size = 5,

Calculate the 99% confidence interval for the difference (mu1-mu2) of two population means given the following sampling results. Population 1: sample size = 5, sample mean = 12.27, sample standard deviation = 1.07. Population 2: sample size 17, sample mean = 8.91, sample standard deviation=1.01. Your answer: O 1.42

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