Explain the difference between qualitative and quantitative approaches to forecasting. Describe three (3) qualitative methods used in forecasting. Given the following data of demand for shopping carts at a leading supermarket. Prepare a forecast for period 6 using each of the following approaches: Period 1 2 3 4 5 Demand 60 65 55 58 64 A three-period moving average. A weighted average using weights of .50 (most recent), .20 and .30. Exponential smoothing with a smoothing constant of .40. The manager of a large cement production factory in Road Town, Tortola has to choose between two alternative forecasting techniques. His production staff used both techniques in order to prepare forecasts for a six-month period (See table below). Using MAD as a criterion, which technique has the better performance record? FORECAST MONTH DEMAND TECHNIQUE 1 TECHNIQUE 2 1 492 488 495 2 470 484 482 3 485 480 478 4 493 490 488 5 498 497 492 6 492 493 493 Please help me solve the whole question please
Explain the difference between qualitative and quantitative approaches to forecasting. Describe three (3) qualitative methods used in forecasting. Given the following data of demand for shopping carts at a leading supermarket. Prepare a forecast for period 6 using each of the following approaches: Period 1 2 3 4 5 Demand 60 65 55 58 64 A three-period moving average. A weighted average using weights of .50 (most recent), .20 and .30. Exponential smoothing with a smoothing constant of .40. The manager of a large cement production factory in Road Town, Tortola has to choose between two alternative forecasting techniques. His production staff used both techniques in order to prepare forecasts for a six-month period (See table below). Using MAD as a criterion, which technique has the better performance record? FORECAST MONTH DEMAND TECHNIQUE 1 TECHNIQUE 2 1 492 488 495 2 470 484 482 3 485 480 478 4 493 490 488 5 498 497 492 6 492 493 493 Please help me solve the whole question please
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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Question
- Explain the difference between qualitative and quantitative approaches to
forecasting . - Describe three (3) qualitative methods used in forecasting.
- Given the following data of demand for shopping carts at a leading supermarket. Prepare a forecast for period 6 using each of the following approaches:
Period |
1 |
2 |
3 |
4 |
5 |
Demand |
60 |
65 |
55 |
58 |
64 |
- A three-period moving average.
- A weighted average using weights of .50 (most recent), .20 and .30.
- Exponential smoothing with a smoothing constant of .40.
- The manager of a large cement production factory in Road Town, Tortola has to choose between two alternative forecasting techniques. His production staff used both techniques in order to prepare forecasts for a six-month period (See table below). Using MAD as a criterion, which technique has the better performance record?
|
|
FORECAST |
|
MONTH |
DEMAND |
TECHNIQUE 1 |
TECHNIQUE 2 |
1 |
492 |
488 |
495 |
2 |
470 |
484 |
482 |
3 |
485 |
480 |
478 |
4 |
493 |
490 |
488 |
5 |
498 |
497 |
492 |
6 |
492 |
493 |
493 |
Please help me solve the whole question please
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