Demand Forecasting

Problem Assignment

(Total points: 10)

Historical demand for a product is as follows:

Time PeriodMonthDemand
1April60
2May55
3June75
4July60
5August80
6September75
  1. Using single exponential smoothing with α=0.2 and a July forecast = 65, calculate the forecast for October. (3 points)
  2. Using linear regression analysis, calculate the trend line (using least squares equation) for the above data. (5 points)
  3. Calculate a forecast for October using the regression equation obtained in part (b). (2 points)