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: µ1 – µ2 = 0 Ha: µ1 – µ2 ≠0
b. Use these data to construct a 90% confidence interval toestimate.
Transcribed Image Text:
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
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Related Book For
Business Statistics for Contemporary Decision Making
ISBN: 978-0470910184
6th Edition
Authors: Ken Black
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