PK0-005 Project Life Cycle Practice Question
A project manager is estimating the cost of a new software development project. She uses the actual cost of a similar past project and adjusts for differences in size and complexity. Which estimation technique is she using?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Analogous estimation
Analogous estimation uses historical data from similar projects to estimate costs or durations.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Three-point estimation
Why it's wrong here
Three-point estimation uses optimistic, pessimistic, and most likely cost values to calculate a weighted average, but the scenario describes a single historical baseline adjusted for size and complexity—this is analogous (parametric or analogous estimation), not a probabilistic range. It is tempting because three-point estimation is a common technique for refining cost accuracy, and it would be correct if the project manager had gathered three separate estimates from subject-matter experts to account for uncertainty rather than relying on one past project.
- ✗
Parametric estimation
Why it's wrong here
Parametric uses statistical relationships between variables.
- ✗
Bottom-up estimation
Why it's wrong here
Bottom-up estimates individual work packages and rolls up.
- ✓
Analogous estimation
Why this is correct
Correct: analogous uses similar past projects as a basis.
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