The sales data of a product for 5 years are

September 8, 2023

Q. The sales data of a product for 5 years are

Year	2014	2015	2016	2017	2018
Sales (units)	280	268	259	270	287

Assume the forecast for the year 2014 as 260 units. Using an exponential smoothing method with smoothing constant α = 0.5, the sales forecast (units) for the year 2019, is

Ans: 276-278

Sol:

The sales of the particular years are given and the forecast for the year 2014, F2014 = 260 units.