Table 14-1 lists process data consisting of the weights (g) of quarters, and the United States Mint

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Table 14-1 lists process data consisting of the weights (g) of quarters, and the United States Mint uses a manufacturing process designed to result in a mean weight equal to 5.670 g. If recent x and R control charts show that the process of manufacturing quarters is within statistical control, does that indicate that the quarters have weights that are reasonably close to 5.670 g? Why or why not?
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Elementary Statistics

ISBN: 9780321836960

12th Edition

Authors: Mario F. Triola

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