Two samples are taken with the following sample means, sizes, and standard deviations T1 = 24 T2 = 40 nį = 57 n2 = 62 s1 = 3 s2 = 4 Estimate the difference in population means using a 91% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. < li - 42 <

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Two samples are taken with the following sample means, sizes, and standard deviations
a1 = 24 F2 = 40
nį = 57 n2 = 62
s1 = 3 s2 = 4
Estimate the difference in population means using a 91% confidence level. Use a calculator, and do NOT
pool the sample variances. Round answers to the nearest hundredth.
< l1 - 12 <
Transcribed Image Text:Two samples are taken with the following sample means, sizes, and standard deviations a1 = 24 F2 = 40 nį = 57 n2 = 62 s1 = 3 s2 = 4 Estimate the difference in population means using a 91% confidence level. Use a calculator, and do NOT pool the sample variances. Round answers to the nearest hundredth. < l1 - 12 <
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