Bundle: Statistics for Business & Economics, Loose-leaf Version, 13th + MindTap Business Statistics with XLSTAT, 2 terms (12 months) Printed Access Card
Bundle: Statistics for Business & Economics, Loose-leaf Version, 13th + MindTap Business Statistics with XLSTAT, 2 terms (12 months) Printed Access Card
13th Edition
ISBN: 9781337127264
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: Cengage Learning
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Chapter 11.2, Problem 14E

A sample of 16 items from population 1 has a sample variance s 1 2 = 5.8 and a sample of 21 items from population 2 has a sample variance s 1 2 = 2.4 . Test the following hypotheses at the .05 level of significance.

H 0 : σ 1 2 σ 2 2 H 4 : σ 1 2 σ 2 2

  1. a. What is your conclusion using the p-value approach?
  2. b. Repeat the test using the critical value approach.
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