A process that is assumed to be in control with limits of 91+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? O a. Process mean is not in-control O b. Process mean is in-control O c. None is correct O d. Not enough information to determine
A process that is assumed to be in control with limits of 91+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? O a. Process mean is not in-control O b. Process mean is in-control O c. None is correct O d. Not enough information to determine
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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![A process that is assumed to be in control with limits of 91+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?
O a.
Process mean is not in-control
O b. Process mean is in-control
O c. None is correct
O d. Not enough information to determine](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa56dd5eb-691d-4a2c-af4e-bcf8c576f770%2Fe40a15af-453a-4fd6-b0f2-9c5d3f2b52e1%2Fhfbrhei_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A process that is assumed to be in control with limits of 91+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?
O a.
Process mean is not in-control
O b. Process mean is in-control
O c. None is correct
O d. Not enough information to determine
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