Statistics for Business & Economics, Revised (MindTap Course List)
12th Edition
ISBN: 9781285846323
Author: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams, Jeffrey D. Camm, James J. Cochran
Publisher: South-Western College Pub
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Textbook Question
Chapter 19, Problem 20SE
The following were collected for the Master Blend Coffee production process. The data show the filling weights based on samples of 3-pound cans of coffee. Use these data to construct the x and R charts. What conclusions can be made about the quality of the production process?
| Observations | |||||
| Sample | 1 | 2 | 3 | 4 | 5 |
| 1 | 3.05 | 3.08 | 3.07 | 3.11 | 3.11 |
| 2 | 3.13 | 3.07 | 3.05 | 3.10 | 3.10 |
| 3 | 3.06 | 3.04 | 3.12 | 3.11 | 3.10 |
| 4 | 3.09 | 3.08 | 3.09 | 3.09 | 3.07 |
| 5 | 3.10 | 3.06 | 3.06 | 3.07 | 3.08 |
| 6 | 3.08 | 3.10 | 3.13 | 3.03 | 3.06 |
| 7 | 3.06 | 3.06 | 3.08 | 3.10 | 3.08 |
| 8 | 3.11 | 3.08 | 3.07 | 3.07 | 3.07 |
| 9 | 3.09 | 3.09 | 3.08 | 3.07 | 3.09 |
| 10 | 3.06 | 3.11 | 3.07 | 3.09 | 3.07 |
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Chapter 19 Solutions
Statistics for Business & Economics, Revised (MindTap Course List)
Ch. 19.2 - A process that is in control has a mean of = 12.5...Ch. 19.2 - Twenty-five samples, each of size 5, were selected...Ch. 19.2 - Twenty-five samples of 100 items each were...Ch. 19.2 - A process sampled 20 times with a sample of size 8...Ch. 19.2 - Temperature is used to measure the output of a...Ch. 19.2 - A quality control process monitors the weight per...Ch. 19.2 - The Goodman Tire and Rubber Company periodically...Ch. 19.2 - Over several weeks of normal, or in-control,...Ch. 19.2 - An airline operates a call center to handle...Ch. 19.3 - For an acceptance sampling plan with n = 25 and c...
Ch. 19.3 - Consider an acceptance sampling plan with n = 20...Ch. 19.3 - Repeat exercise 11 for the acceptance sampling...Ch. 19.3 - Refer to the KALI problem presented in this...Ch. 19.3 - To inspect incoming shipments of raw materials, a...Ch. 19.3 - A domestic manufacturer of watches purchases...Ch. 19 - Samples of size 5 provided the following 20 sample...Ch. 19 - Product filling weights are normally distributed...Ch. 19 - Twenty-five samples of size 5 resulted in x = 5.42...Ch. 19 - The following are quality control data for a...Ch. 19 - The following were collected for the Master Blend...Ch. 19 - An insurance company samples claim forms for...Ch. 19 - Managers of 1200 different retail outlets make...Ch. 19 - An n = 10, c = 2 acceptance sampling plan is being...Ch. 19 - Prob. 24SECh. 19 - A manufacturer produces lots of a canned food...
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