Problem 5) The manager of a building supplies company, mills his own wood on site to save money. He wants to see if his work meets the quality specifications. Industry standard defective rate for all milled wood is 15%, when it can’t be used any more. From each run, 30 samples of 2x6 are measured and inspected, the Area is calculated. 8.24 8.25 8.24 8.24 8.25 8.25 8.46 8.26 8.26 8.26 8.26 8.54 8.26 8.24 8.31 8.35 8.24 8.23 8.23 8.24 8.28 8.23 8.25 8.25 8.25 8.24 8.24 8.24 8.28 8.28 a) Calculate the Upper Action Line. b) Calculate the Upper Warning Line c) Construct the appropriate control chart using R. d) Is this data in a process of control? How do you know? Explain your answer. If it is not, what are some recommendations you can give to get the data back into a process of control.
Problem 5) The manager of a building supplies company, mills his own wood on site to save money. He wants to see if his work meets the quality specifications. Industry standard defective rate for all milled wood is 15%, when it can’t be used any more. From each run, 30 samples of 2x6 are measured and inspected, the Area is calculated. 8.24 8.25 8.24 8.24 8.25 8.25 8.46 8.26 8.26 8.26 8.26 8.54 8.26 8.24 8.31 8.35 8.24 8.23 8.23 8.24 8.28 8.23 8.25 8.25 8.25 8.24 8.24 8.24 8.28 8.28 a) Calculate the Upper Action Line. b) Calculate the Upper Warning Line c) Construct the appropriate control chart using R. d) Is this data in a process of control? How do you know? Explain your answer. If it is not, what are some recommendations you can give to get the data back into a process 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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Problem 5) The manager of a building supplies company, mills his own wood on site to save money. He wants to see if his work meets the quality specifications. Industry standard defective rate for all milled wood is 15%, when it can’t be used any more. From each run, 30 samples of 2x6 are measured and inspected, the Area is calculated.
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8.24 |
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8.25 |
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8.24 |
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8.24 |
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8.25 |
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8.25 |
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8.46 |
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8.26 |
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8.26 |
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8.26 |
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8.26 |
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8.54 |
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8.26 |
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8.24 |
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8.31 |
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8.35 |
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8.24 |
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8.23 |
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8.23 |
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8.24 |
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8.28 |
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8.23 |
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8.25 |
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8.25 |
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8.25 |
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8.24 |
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8.24 |
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8.24 |
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8.28 |
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8.28 |
- a) Calculate the Upper Action Line.
- b) Calculate the Upper Warning Line
- c) Construct the appropriate control chart using R.
- d) Is this data in a process of control? How do you know? Explain your answer. If it is not, what are some recommendations you can give to get the data back into a process of control.
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