a. Use the following data and = .10 to test the stated hypotheses. Assume x is normally

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a. Use the following data and = .10 to test the stated hypotheses. Assume x is normally distributed in the populations and the variances of the populations are approximately equal.

H0: Âµ1 â€“ Âµ2 = 0 Ha: Âµ1 â€“ Âµ2 â‰ 0

b. Use these data to construct a 90% confidence interval toestimate.

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Business Statistics for Contemporary Decision Making

ISBN: 978-0470910184

6th Edition

Authors: Ken Black

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Question Posted: Mar 19, 2013 04:48 AM

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a. Use the following data and = .10 to test the stated hypotheses. Assume x is normally

Question:

Sample Sample2 ni = 20 = 118 sı 23.9 5 n2-20 X2 = 113 21.6

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a H o 1 2 0 a 10 1 2 0 df 20 20 2 38 Sample 1 Sample 2 n 1 20 n ...View the full answer

Business Statistics for Contemporary Decision Making

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