Use a t-distribution to find a confidence interval for the difference in means μ = μ₁ −μ₂ using the relevant sample results from paired data. Assume the results come from random samples from populations that are approximately normally distributed, and that differences are computed using d = x₁ - x₂. A 99% confidence interval for using the paired data in the following table: Case Treatment 1 Treatment 2 1 23 2 27 3 32 4 5 25 17 30 24 22 27 22

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