PK0-005 Project Life Cycle Practice Question
A project manager is monitoring project performance. Which TWO earned value metrics are used to assess cost efficiency?
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
✓
Cost Variance (CV)
Cost Performance Index (CPI) and Cost Variance (CV) are metrics that measure cost efficiency. CPI = EV/AC, CV = EV - AC.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Estimate at Completion (EAC)
Why it's wrong here
EAC is a forecast, not a measure of efficiency.
- ✗
Schedule Variance (SV)
Why it's wrong here
SV measures schedule performance.
- ✓
Cost Variance (CV)
Why this is correct
CV is the difference between earned value and actual cost.
- ✗
Schedule Performance Index (SPI)
Why it's wrong here
SPI measures schedule efficiency, not cost.
- ✓
Cost Performance Index (CPI)
Why this is correct
CPI indicates cost efficiency; >1 is under budget, <1 is over budget.
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