GATE Production Planning and Control: Forecasting models – Previous Year Questions

2 GATE previous year questions on Forecasting models (Production Planning and Control, Mechanical Engineering) with answers and explanations, from every paper.

1. GATE 2025 ME Q37 (2 marks, Multiple choice) – Considering the actual demand and the forecast for a product given in the table below, the mean forecast error and the mean absolute deviation,…
2. GATE 2026 ME Q60 (2 marks, Numerical answer) – The actual demand for castings in a factory is 500 units and 635 units for the months of January 2026 and February 2026, respectively. The forecasted…