A. Calculate the three-period moving average forecast for the month of June. Show your work. 8. Given the historical data and weights of 0.42, 0.33, and 0.25, calculate three-period weighted moving average forecast for June? Show your work. C. Calculate the naive forecast for June. Show your work.
A. Calculate the three-period moving average forecast for the month of June. Show your work. 8. Given the historical data and weights of 0.42, 0.33, and 0.25, calculate three-period weighted moving average forecast for June? Show your work. C. Calculate the naive forecast for June. Show your work.
Purchasing and Supply Chain Management
6th Edition
ISBN:9781285869681
Author:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
Publisher:Robert M. Monczka, Robert B. Handfield, Larry C. Giunipero, James L. Patterson
ChapterC: Cases
Section: Chapter Questions
Problem 5.1SC: Scenario 3 Ben Gibson, the purchasing manager at Coastal Products, was reviewing purchasing...
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Question
Gargash Car Service have repaired the following number of cars from January to May.
Month | Number of cars sold |
January | 120 |
February | 123 |
March | 145 |
April | 141 |
May | 138 |
A. Calculate the three-period moving average
8. Given the historical data and weights of 0.42, 0.33, and 0.25, calculate three-period weighted moving average forecast for June? Show your work.
C. Calculate the naive forecast for June. Show your work.
D. Would you prefer any of these forecasts above the other? Justify your answer.
E. Suppose that the June's actual sales is 5 percent lower than May's sales. What will the error of your
(preferred) forecast?
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