A process that is assumed to be in control with limits of 89 t 4 had sample averages for the x-bar chart of the following: 87.1, 87, 87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement below are correct? Select one: a. Process mean is in-control b. None of above c. Not enough information to determine d. Process mean is out-of-control

A process that is assumed to be in control with limits of 89 t 4 had sample averages for the x-bar chart of the following: 87.1, 87, 87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement below are correct? Select one: a. Process mean is in-control b. None of above c. Not enough information to determine d. Process mean is out-of-control

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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Concept explainers

Statistical Process Control

The use of statistical methods to observe and manage a process to make sure that it operates at its full potential and thus produce a confirming product is called Statistical Process Control.

Question

A process that is assumed to be in control with limits of 89 t 4 had sample averages for the x-bar chart of the
following: 87.1, 87, 87.2, 89, 90, 88.5, 89.5, and 88. Which of the following statement below are correct?
Select one:
a. Process mean is in-control
b. None of above
c. Not enough information to determine
d. Process mean is out-of-control

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