CAPM Predictive Plan-Based Methodologies Practice Question
A project manager is preparing a rough order of magnitude estimate. Which two techniques are best suited for this type of estimate? (Choose two)
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
✓
Parametric estimating
Rough order of magnitude estimates use top-down techniques such as analogous and parametric estimating, which are quick and based on historical data.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Bottom-up estimating
Why it's wrong here
Bottom-up is detailed and time-consuming, not suitable for rough estimates.
- ✓
Parametric estimating
Why this is correct
Correct: Parametric uses statistical models and parameters for rapid estimates.
- ✗
Expert judgment
Why it's wrong here
Expert judgment is used in all estimates but is not a stand-alone technique for rough order of magnitude.
- ✗
Three-point estimating
Why it's wrong here
Three-point estimating provides ranges, but is not specifically for rough order of magnitude.
- ✓
Analogous estimating
Why this is correct
Correct: Analogous uses similar historical projects for high-level estimates.
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