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PK0-005 Practice Question: During the planning phase, a team member…
During the planning phase, a team member estimates a task duration as 5-7 days based on a similar past project. Which estimating technique is being used?
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 estimating
Analogous estimating uses historical data from similar projects. Parametric uses statistical relationship, three-point uses optimistic/pessimistic/most likely, and bottom-up aggregates detailed estimates.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Parametric estimating
Why it's wrong here
Parametric estimating multiplies a unit rate by a quantity, such as cost per square metre; here the estimator used historical analogy from a comparable past project, which is analogous estimating. It is tempting because both draw on historical data, but parametric requires a measurable unit-rate relationship, not a single comparable case.
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Bottom-up estimating
Why it's wrong here
Bottom-up estimating aggregates estimates from the lowest-level work packages into a total; this estimate came from one analogous past project, not from decomposed components. It is tempting because both produce duration figures, but bottom-up requires the WBS and individual component estimates first.
- ✓
Analogous estimating
Why this is correct
Analogous estimating uses historical duration data from a comparable past project to derive the current estimate. The 5-7 day range drawn from a similar project directly matches this top-down, expert-judgement technique rather than parametric or three-point estimating.
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Three-point estimating
Why it's wrong here
Three-point estimating averages optimistic, most likely and pessimistic values, typically via PERT; here only a single range from one similar past project was used, which is analogous estimating. It is tempting because a range appears, but three-point requires three distinct estimates, not a borrowed historical span.
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