PK0-005 Project Life Cycle Practice Question
A project manager is estimating costs for a new software development project. The company has completed three similar projects in the past. Which cost estimation technique is most appropriate in this scenario?
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. It is quick and reliable when past projects are similar. Parametric uses statistical relationships, and bottom-up is detailed and time-consuming.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Analogous estimation
Why this is correct
Analogous uses historical data from similar projects, appropriate here.
- ✗
Bottom-up estimation
Why it's wrong here
Bottom-up is detailed and time-consuming, not the most efficient given similar past projects.
- ✗
Parametric estimation
Why it's wrong here
Parametric estimation relies on statistical relationships between historical data and variables like lines of code or function points, but the stem specifies three similar past projects, not a scalable database of metrics. This technique is tempting because it offers rapid, formula-based cost projections for repetitive tasks, and it would be correct if the company had extensive historical data from dozens of projects to derive reliable cost-per-unit parameters.
- ✗
Three-point estimation
Why it's wrong here
Three-point estimation is used for uncertainty, not the primary method when historical data exists.
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