Modern Business Statistics with Microsoft Excel (MindTap Course List)
Modern Business Statistics with Microsoft Excel (MindTap Course List)
5th Edition
ISBN: 9781285433301
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
Publisher: Cengage Learning
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Chapter 19.2, Problem 1E

A process that is in control has a mean of μ = 12.5 and a standard deviation of σ = .8.

  1. a. Construct the x ¯ control chart for this process if samples of size 4 are to be used.
  2. b. Repeat part (a) for samples of size 8 and 16.
  3. c. What happens to the limits of the control chart as the sample size is increased? Discuss why this is reasonable.
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