APICS Certified Supply Chain Professional (CSCP) — Question 486

Qualitative extrinsic data are used with which of the following forecasting techniques?

Answer options

• A. Time series
• B. Seasonality
• C. Delphi method
• D. Causal method

Correct answer: C

Explanation

The Delphi method is specifically designed to gather qualitative insights from experts, making it suitable for using extrinsic data. In contrast, Time series and Seasonality focus on quantitative historical data patterns, while the Causal method emphasizes relationships between variables rather than qualitative information.