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Question 4 Calculate the 99% confidence interval for the difference (mu1-mu2) of two population means given the following sampling results. Population 1: sample size

Question 4 Calculate the 99% confidence interval for the difference (mu1-mu2) of two population means given the following sampling results. Population 1: sample size = 14, sample mean = 4.99, sample standard deviation = 2.17. Population 2: sample size=14, sample mean = 4.57, sample standard deviation = 0.88. Your answer: O-2.25

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