The Zocor Company Is Interested in Forecasting Period 13 Sales

Multiple Choice

The Zocor Company is interested in forecasting period 13 sales for a product.It has 12 months of historical data.The following shows the data and the forecasted valued for periods 1-12 using a single exponential smoothing model with a smoothing constant value equal to 0.20 What is the value of the MAD for periods 2-12?

A) About 19.6
B) Nearly 6
C) Approximately 15.4
D) Can't be determined without more information