Business Analyst: What is a business analysis estimation technique?

Estimation techniques — methods for predicting effort.

Techniques:

• Expert judgment — experience-based.
• Analogous — similar projects.
• Parametric — mathematical model.
• Three-point — optimistic, most likely, pessimistic.

Three-point example:

Story points:

• Relative estimation.
• Fibonacci scale.
• Planning poker.

BA role:

• Provide requirements context.
• Help with estimates.
• Validate assumptions.