The GATE Grind

GATE 2023 PI – Question 20

Operations Research and Operations Management · Production Control · 1 mark · Multiple choice

Which forecasting method is qualitative?

  1. Linear Regression
  2. Weighted Moving Average
  3. Delphi
  4. Exponential Smoothing

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Show answer and explanation

Correct answer: (C) Delphi

Explanation

Delphi obtains and refines expert judgments through successive structured rounds. The other methods quantitatively process numerical observations. **C**.

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