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a) Briefly discuss the differences between attribute and variable quality measures. b) Discuss the difference between p-chart and c-chart.

a) Briefly discuss the differences between attribute and variable quality measures. b) Discuss the difference between p-chart and c-chart.

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
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Question Total quality management (TQM) describes a management approach to long-term success through customer satisfaction. Statistical Process Control (SPC) is an industry-standard methodology for measuring and controlling quality during the manufacturing process. Attributes and variables quality measures are used for this purpose. You are required to consider a manufacturing industry in Oman for the detailed analysis on both methods in line with the below list of questions. (Note: Data sources should be cited with the relevant photo of the manufacturing industry considered). a) Briefly discuss the differences between attribute and variable quality measures. b) Discuss the difference between p-chart and c-chart. c) Use p-chart for the sample number of 15 to determine 99.7% control limit for the process. Use Table to indicate sample number, sample size and number of defective products. d) Plot the control chart showing defective versus sample number using the results found in Part (c). e) Comment on the state of control in the process for part (c). f) Discuss the control chart for variables in detail. g) In continuation with part (f), Use x- chart for the sample number of 8 to determine upper and lower control limit. Using these values to draw mean versus sample number. h) Comments on the state of control for part (f). i) Suggest methods of controlling the process.
Transcribed Image Text:Question Total quality management (TQM) describes a management approach to long-term success through customer satisfaction. Statistical Process Control (SPC) is an industry-standard methodology for measuring and controlling quality during the manufacturing process. Attributes and variables quality measures are used for this purpose. You are required to consider a manufacturing industry in Oman for the detailed analysis on both methods in line with the below list of questions. (Note: Data sources should be cited with the relevant photo of the manufacturing industry considered). a) Briefly discuss the differences between attribute and variable quality measures. b) Discuss the difference between p-chart and c-chart. c) Use p-chart for the sample number of 15 to determine 99.7% control limit for the process. Use Table to indicate sample number, sample size and number of defective products. d) Plot the control chart showing defective versus sample number using the results found in Part (c). e) Comment on the state of control in the process for part (c). f) Discuss the control chart for variables in detail. g) In continuation with part (f), Use x- chart for the sample number of 8 to determine upper and lower control limit. Using these values to draw mean versus sample number. h) Comments on the state of control for part (f). i) Suggest methods of controlling the process.
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