Two samples are taken with the following sample means, sizes, and standard deviations ¯x1x¯1 = 21 ¯x2x¯2 = 31 n1n1 = 59 n2n2 = 50 s1s1 = 3 s2s2 = 2 Estimate the difference in population means using a...

Two samples are taken with the following sample means, sizes, and standard deviations
¯x1x¯1 = 21 ¯x2x¯2 = 31
n1n1 = 59 n2n2 = 50
s1s1 = 3 s2s2 = 2


Estimate the difference in population means using a 87% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth.
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