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Find a 99 Percent Confidence Interval for the Difference Between

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Find a 99 percent confidence interval for the difference between means, given that n1 = 49, n2 = 49, Find a 99 percent confidence interval for the difference between means, given that n<sub>1</sub> = 49, n<sub>2</sub> = 49, <sub>1</sub> = 87, <sub>2</sub> = 92, s<sub>1</sub><sup>2</sup> = 13, and s<sub>2</sub><sup>2</sup> = 15. (Assume unequal variances.) 1 = 87, Find a 99 percent confidence interval for the difference between means, given that n<sub>1</sub> = 49, n<sub>2</sub> = 49, <sub>1</sub> = 87, <sub>2</sub> = 92, s<sub>1</sub><sup>2</sup> = 13, and s<sub>2</sub><sup>2</sup> = 15. (Assume unequal variances.) 2 = 92, s12 = 13, and s22 = 15. (Assume unequal variances.)

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verifed

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[−6.99, −3.01]
df = (13/49 + 1...

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