Operations management - determine forecast errors

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Reference no: EM1366212

Operations management: Determine forecast errors, ME, MAD, MSE, and MAPE

Two forecasting methods have been used to forecast the demand for a product. The following table shows the actual demand and the two forecasts for the product based on the two methods:

Forecasted Demand Based on:
Period
Actual
Demand Forecast Method 1 Forecast Method 2
1 68 66 66
2 75 68 68
3 70 72 70
4 74 71 72
5 69 72 74
6 72 70 76
7 80 71 78
8 78 74 80

A. Determine the following measures of error for each forecast method: ME, MAD, MSE, and MAPE. Fill the table on the answer sheet set.

B. Based on your answers to Part A, discuss the results AND determine which forecasting method is superior. Write your answer in the space provided in the answer-sheet set. Do NOT exceed 5 lines of answer and do not extend the box.

Reference no: EM1366212

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