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Construct a 95% confidence interval for u1 = u2. Two samples are randomly selected from normal...

Construct a 95% confidence interval for u1 = u2. Two samples are randomly selected from normal populations. The sample statistics are given below. Assume that 021 = 022.

N1 = 8 n2 = 7

x1 = 4.1 x2 = 5.5

s1 = 0.76 s2 = 2.51

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