Operations Management
Operations Management
11th Edition
ISBN: 9780132921145
Author: Jay Heizer
Publisher: PEARSON
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Chapter 4, Problem 16P

Solved example 4.1

Sales of Volkswagen’s popular Beetle have grown steadily at auto dealerships in Nevada during the past 5 years (see table below). The sales manager had predicted before the new model was introduced that first year sales would be 410 VWs. Using exponential smoothing with a weight of α =.30, develop forecasts for years 2 through 6.

YEAR SALES FORECAST
1 450 410
2 495  
3 518  
4 563  
5 584  
6 ?  

4.16 Refer to Solved Problem 4.1.

  1. a. Using the trend projection (regression) method, develop a forecast for the sales of Volkswagen Beetles in Nevada through year 6.
  2. b. What is the MAD?
  3. c. What is the MSE?
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Chapter 4 Solutions

Operations Management

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