Elementary Statistics
Elementary Statistics
12th Edition
ISBN: 9780321836960
Author: Mario F. Triola
Publisher: PEARSON
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Chapter 14, Problem 3RE
To determine

To construct: The x¯ chart for the energy consumption.

To check: Whether the process is in statistical control or not.

To identify: The three out-of-control criteria lead to rejection of statistically stable variable if the process is not in statistical control.

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