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Find a 95 Percent Confidence Interval for μ1 − μ2

Question 52

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Find a 95 percent confidence interval for μ1 − μ2, where n1 = 15, n2 = 10, Find a 95 percent confidence interval for μ<sub>1</sub> − μ<sub>2</sub>, where n<sub>1</sub> = 15, n<sub>2</sub> = 10, <sub>1</sub> = 1.94, <sub>2</sub> = 1.04, s<sub>1</sub><sup>2</sup> = .2025, and s<sub>2</sub><sup>2</sup> = .0676. (Assume equal population variances.) 1 = 1.94,
2 = 1.04, s12 = .2025, and s22 = .0676. (Assume equal population variances.)

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