Project Management Professional (PMP) Exam Practice – Question1428 | Project Management Professional PMP Mock Exam Practice

The cumulative CPI has been shown to be relatively stable after what percentage of project completion?

A. 5% to 10%
B. 15% to 20%
C. 25% to 35%
D. 50% to 75%

Correct Answer: B

Explanation:

Explanation:
The CPI has been proven to be an accurate and reliable forecasting tool. Researchers have found that the cumulative CPI does not change by more than 10% once a project is approximately 20% complete. The CPI provides a quick statistical forecast of final
project costs.