Samples of size 5 provided the following 20 sample means for a production process that is believed
Question:
a. Based on these data, what is an estimate of the mean when the process is in control?
b. Assume that the process standard deviation is σ .50. Develop the x-bar control chart for this production process. Assume that the mean of the process is the estimate developed in part (a).
c. Do any of the 20 sample means indicate that the process was out of control?
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Related Book For
Statistics For Business And Economics
ISBN: 9780538481649
11th Edition
Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams
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