13th Edition
Publisher: CENGAGE L
ISBN: 9781305881884


13th Edition
Publisher: CENGAGE L
ISBN: 9781305881884


Chapter 11.2, Problem 15E
Textbook Problem

Consider the following hypothesis test.

H 0 : σ 1 2 = σ 2 2 H a : σ 1 2 σ 2 2

  1. a. What is your conclusion if n1 = 21, s 1 2 = 8.2 , n2 = 26, and s 2 2 = 4.0 ? Use α = .05 and the p-value approach.
  2. b. Repeat the test using the critical value approach.

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