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Project Management & Agile · Foundational

Estimate Activity Durations

Process of estimating the number of work periods needed to complete individual activities with estimated resources.

Definition

Techniques include expert judgment, analogous, parametric, three-point, and bottom-up estimating, plus data analysis such as alternatives and reserve analysis. Outputs are duration estimates and basis of estimates.

Example

Using historical rates, the PM estimates 6 days for a data migration activity.

Exam tip

Duration (elapsed calendar time) differs from effort (labor hours).

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