14.

a. Use double exponential smoothing to forecast sales using an a of 0.20, a B of 0.50, an initial base of*38.0, and a trend of 2.0.

b. Extend the forecasts through period 15.

Transcribed Image Text:

PERIOD SALES 1 39 2 47 3 39 4 44 5198 49 6 48 7 45 56 9 53 10 61