Independent random samples selected from two normal populations produced the sample means and standard deviations shown below.
Question:
a. Conduct the test H0: (µ2 - µ1) = 0 against Ha: (µ2 - µ1) 0. Interpret the results.
b. Estimate (µ2 - µ1) using a 95% confidence interval.
Transcribed Image Text:
Sample 1 Sample2 ni = 17 x 5.4 n, = 12 =7.9 0 si = 3.4 s, = 4.8
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a H 0 1 2 0 H a 1 2 0 The test statistic is t Since no a was given we ...View the full answer
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Related Book For
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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