Question: Use the following data to construct a 98% confidence interval to estimate the difference between 1 and 2. x1 = 34.9 ... x2 = 27.6

Use the following data to construct a 98% confidence interval to estimate the difference between µ1 and µ2.
x̄1 = 34.9 ... x̄2 = 27.6
σ21 = 2.97 ... σ22 = 3.50
n1 = 34 .... n2 = 31

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