Question: An operation analyst is forecasting this year's demand for one of his company's products based on the following historical data: Year Quantity Sold Forecast 4

An operation analyst is forecasting this year's demand for one of his company's products based on the following historical data:

Year Quantity Sold Forecast
4 years ago 12612 11558
3 years ago 13842 13406
2 years ago 15341 15153
Last year 16810 17159

What was the mean absolute percent error for these forecasts?

a.

0.0391152

b.

3.70214

c.

2027

d.

355750

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