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A process that is assumed to be in control with limits of 90 + 2 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 Process mean is in-control .b Not enough information to determine .C Process mean is out-of-control .d None is correct

A process that is assumed to be in control with limits of 90 + 2 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 Process mean is in-control .b Not enough information to determine .C Process mean is out-of-control .d None is correct

Practical Management Science
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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Mark O.00 out uI A process that is assumed to be in control with limits of 90 ± 2 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 Process mean is in-control .b Not enough information to determine .C Process mean is out-of-control None is correct The correct answer is: Process mean is out-of-control
Transcribed Image Text:Mark O.00 out uI A process that is assumed to be in control with limits of 90 ± 2 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 Process mean is in-control .b Not enough information to determine .C Process mean is out-of-control None is correct The correct answer is: Process mean is out-of-control
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