Two samples are taken with the following sample means, sizes, and standard deviations a1 = 22 2 = 20 n1 = 71 n2 = 69 81 = 5 s2 = 2 %3D Estimate the difference in population means using a 95%...

Two samples are taken with the following sample means, sizes, and standard deviations
¯x1x¯1 = 22 ¯x2x¯2 = 20
n1n1 = 71 n2n2 = 69
s1s1 = 5 s2s2 = 2


Estimate the difference in population means using a 95% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth.
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Extracted text: Two samples are taken with the following sample means, sizes, and standard deviations a1 = 22 2 = 20 n1 = 71 n2 = 69 81 = 5 s2 = 2 %3D Estimate the difference in population means using a 95% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. < 41="" -="" 42="">