railway RRB JE (CBT I + CBT II) Mock Test 2024 Industrial Engineering Production Planning and Inventory Control Forecasting
For a product the forecast and actual sales for December 2002 were 25 and 20 respectively. If the exponential smoothing constant is taken as 0.2, then forecast sale for January 2003 would be
1
21
2
23
3
24
4
27