A quality analyst wants to construct a sample mean chart for controlling a packaging process. He knows
Question:
A. Calculate upper 2-sigma x-bar chart control limit that allow for natural variations
B. Calculate lower 2-sigma x-bar chart control limit that allow for natural variations
C. Based on the x-bar chart, is this process in control?
Process is in control
Process is out of control
Process is almost within control limits
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Related Book For
Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
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