engineering recuitment GATE ME 2023-24 Test Series Industrial Engineering Production Planning and Inventory Control Forecasting
Which of them cannot be a value of tracking signal (T.S.) in a forecasting method
\(T.S = \frac{{\mathop \sum \nolimits_{t = 1}^n \left( {{D_t} - {F_t}} \right)}}{{Mean\;abosulte\;deviation}}\)
1
3
2
5
3
9
4
7