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Find a 95 Percent Confidence Interval for μ1 − μ2

Question 70

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Find a 95 percent confidence interval for μ1 − μ2, where n1 = 50, n2 = 75, Find a 95 percent confidence interval for μ<sub>1</sub> − μ<sub>2</sub>, where n<sub>1</sub> = 50, n<sub>2</sub> = 75, <sub>1</sub> = 82, <sub>2</sub> = 76, s<sub>1</sub><sup>2</sup> = 8, and s<sub>2</sub><sup>2</sup> = 6. Assume unequal variances. 1 = 82, Find a 95 percent confidence interval for μ<sub>1</sub> − μ<sub>2</sub>, where n<sub>1</sub> = 50, n<sub>2</sub> = 75, <sub>1</sub> = 82, <sub>2</sub> = 76, s<sub>1</sub><sup>2</sup> = 8, and s<sub>2</sub><sup>2</sup> = 6. Assume unequal variances. 2 = 76, s12 = 8, and s22 = 6. Assume unequal variances.

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[5.03, 6.97]
df = 94
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