MyLab Operations Management with Pearson eText -- Access Card -- for Operations Management: Sustainability and Supply Chain Management
12th Edition
ISBN: 9780134165325
Author: Jay Heizer, Barry Render, Chuck Munson
Publisher: PEARSON
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Textbook Question
Chapter 4, Problem 29P
Question
• 4.33 The number of internal disk drives (in millions) made at a plant in Taiwan during the past 5 years follows:
| YEAR | DISK DRIVES |
| 1 | 140 |
| 2 | 160 |
| 3 | 190 |
| 4 | 200 |
| 5 | 210 |
- a.
Forecast the number of disk drives to be made next year using linear regression. - b. Compute the mean squared error (MSE) when using linear regression.
- c. Compute the mean absolute percent error (MAPE).
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QUESTION 1.3
If any research endeavor. Errors in data collecting can have an impact on the results of a study, ultimately leading to erroneous results. The methods used to collect data for impact evaluation differ on a scale. Quantitative data gathering methods are at one end of the scale, while qualitative data collection methods are at the other. Choosing a particular data collection strategy will be determined by the accuracy of the information produced as well as practical issues such as the availability of staff, time, equipment, and other resources.
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Chapter 4 Solutions
MyLab Operations Management with Pearson eText -- Access Card -- for Operations Management: Sustainability and Supply Chain Management
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