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Construct a 90% confidence interval for , - 2 with the sample statistics for mean cholesterol content of a hamburger from two fast food chains

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Construct a 90% confidence interval for , - 2 with the sample statistics for mean cholesterol content of a hamburger from two fast food chains and confidence interval construction formula below. Assume the populations are approximately normal with unequal variances. Stats X1 =74 mg, s, = 3.85 mg, ny =10 *2 = 71 mg, S2 = 2.01 mg, n2 = 13 Confidence Interval when ( * 1 - X2 ) - to my * my

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