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0.3 ounce. Develop control limits for the sample range. 6. The Awake Coffee Company produces gourmet instant coffee. The company wants to be sure that the average fill of coffee containers is 12.0 ounces. To make sure the process is in control, a worker periodically selects at random a box of six containers of coffee and measures their weight. When the process is in control, the range of the weight of coffee samples averages 0.6 ounce. (a) Develop an R-chart and an x-chart for this process. (b) The measurements of weight from the last five samples taken of the six containers follow: Sample х 1 12.1 0.7 11.8 0.4 12.3 0.6 11.5 0.4 11.6 0.9 Is the process in control? Explain your answer.

0.3 ounce. Develop control limits for the sample range. 6. The Awake Coffee Company produces gourmet instant coffee. The company wants to be sure that the average fill of coffee containers is 12.0 ounces. To make sure the process is in control, a worker periodically selects at random a box of six containers of coffee and measures their weight. When the process is in control, the range of the weight of coffee samples averages 0.6 ounce. (a) Develop an R-chart and an x-chart for this process. (b) The measurements of weight from the last five samples taken of the six containers follow: Sample х 1 12.1 0.7 11.8 0.4 12.3 0.6 11.5 0.4 11.6 0.9 Is the process in control? Explain your answer.

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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0.3 ounce. Develop control limits for the sample range. 6. The Awake Coffee Company produces gourmet instant coffee. The company wants to be sure that the average fill of coffee containers is 12.0 ounces. To make sure the process is in control, a worker periodically selects at random a box of six containers of coffee and measures their weight. When the process is in control, the range of the weight of coffee samples averages 0.6 ounce. (a) Develop an R-chart and an x-chart for this process. (b) The measurements of weight from the last five samples taken of the six containers follow: Sample х 1 12.1 0.7 11.8 0.4 12.3 0.6 11.5 0.4 11.6 0.9 Is the process in control? Explain your answer.
Transcribed Image Text:0.3 ounce. Develop control limits for the sample range. 6. The Awake Coffee Company produces gourmet instant coffee. The company wants to be sure that the average fill of coffee containers is 12.0 ounces. To make sure the process is in control, a worker periodically selects at random a box of six containers of coffee and measures their weight. When the process is in control, the range of the weight of coffee samples averages 0.6 ounce. (a) Develop an R-chart and an x-chart for this process. (b) The measurements of weight from the last five samples taken of the six containers follow: Sample х 1 12.1 0.7 11.8 0.4 12.3 0.6 11.5 0.4 11.6 0.9 Is the process in control? Explain your answer.
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