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Estimate the difference in population means using a 90

Two samples are taken with the following sample means, sizes, and standard deviations

¯x1 = 39 ¯x2 = 26

n1 = 45 n2 = 73

s1 = 3 s2 = 5

Estimate the difference in population means using a 90% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth.

< μ1-μ2 <

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