Two samples are taken with the following sample means, sizes, and standard deviations ¯x1x¯1 = 23 ¯x2x¯2 = 36 n1n1 = 74 n2n2 = 51 s1s1 = 4 s2s2 = 3 Estimate the difference in population means using a 89% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. _________< μ1-μ2 <__________

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