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SOLVED: Two random samples are selected from two independent populations: summary of the sample sizes, sample means; and sample standard deviations given below:n1 = 50, x̄1 = 76.5, s1 = 6n2 = 51, x̄2 = 50.7, s2 = 3.2Find a 98% confidence interval for the difference (∆μ) of the means, assuming unequal population variances.38.0423.56
SOLVED: Two random samples are selected from two independent populations: summary of the sample sizes, sample means; and sample standard deviations given below:n1 = 50, x̄1 = 76.5, s1 = 6n2 = 51, x̄2 = 50.7, s2 = 3.2Find a 98% confidence interval for the difference (∆μ) of the means, assuming unequal population variances.38.0423.56
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