Elementary Statistics
Elementary Statistics
3rd Edition
ISBN: 9781260373561
Author: Navidi, William
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 15.1, Problem 12E

At the movies: A sample of 12 movies released in a given year had the following running times in minutes.

Chapter 15.1, Problem 12E, At the movies: A sample of 12 movies released in a given year had the following running times in

Can you conclude that the median running time for movies released that year was greater than 120 minutes? Use the α = 0.01 level of significance.

  1. State the appropriate null and alternate hypotheses.
  2. Compute the value of the test statistic.
  3. Find the critical value.
  4. State a conclusion.

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Chapter 15 Solutions

Elementary Statistics

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