George Caloz & Frères, located in Grenchen, Switzerland, makes luxury custom watches in small lots. One of the company’s products, a platinum diving watch, goes through an etching process. The company has recorded etching costs as follows over the last six weeks: Week Units Total Etching Cost 1 9 $ 21 2 12 25 3 13 30 4 9 20 5 11 25 6 18 34 72 $ 155 For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week. 2-a. Using the least-squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per week. 2-b. Express these estimates in the form Y = a + bX.
George Caloz & Frères, located in Grenchen, Switzerland, makes luxury custom watches in small lots. One of the company’s products, a platinum diving watch, goes through an etching process. The company has recorded etching costs as follows over the last six weeks: Week Units Total Etching Cost 1 9 $ 21 2 12 25 3 13 30 4 9 20 5 11 25 6 18 34 72 $ 155 For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week. 2-a. Using the least-squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per week. 2-b. Express these estimates in the form Y = a + bX.
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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George Caloz & Frères, located in Grenchen, Switzerland, makes luxury custom watches in small lots. One of the company’s products, a platinum diving watch, goes through an etching process. The company has recorded etching costs as follows over the last six weeks:
| Week | Units | Total Etching Cost |
|---|---|---|
| 1 | 9 | $ 21 |
| 2 | 12 | 25 |
| 3 | 13 | 30 |
| 4 | 9 | 20 |
| 5 | 11 | 25 |
| 6 | 18 | 34 |
| 72 | $ 155 |
For planning purposes, management would like to know the variable etching cost per unit and the total fixed etching cost per week.
2-a. Using the least-squares regression method, estimate the variable etching cost per unit and the total fixed etching cost per week.
2-b. Express these estimates in the form Y = a + bX.
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