PMP Referenced Question 22: Validating Budget Inputs for Analogous Estimation
This PMP-style scenario focuses on avoiding estimation errors when using historical projects as a baseline. PMI emphasizes the importance of verifying all cost inputs to ensure that outdated assumptions do not distort the project budget.
📘 Scenario
A client comes to the company asking to copy a project that was executed 2 years ago in the same city, with the expectation that the new project will have the same cost and duration. While finalizing the project management plan, the project manager realizes that the baseline costs are much higher than the original project.
❓ Question
What could the project manager have done to avoid this?
A. Assigned the same project resources to this project
B. Determined a budget reserve for this project
C. Verified applicable budget inputs related to this project
D. Estimated a budget for the project’s quality management
⚠️ Disclaimer: This PMP-style question is presented for educational and commentary purposes only. It is not sourced from any official PMI exam and is not intended to violate any copyright. This content reflects interpretations based on the PMI mindset and principles, and is designed to help learners prepare for the PMP exam. If this question resembles real PMP exam content, it is coincidental and used solely under the doctrine of fair use for academic discussion. No claim of affiliation with or endorsement by PMI is made.
✅ Correct Answer: C. Verified applicable budget inputs related to this project
✅ Why C is the Best PMI-Aligned Answer
The first step in cost estimation and budget development is to verify the accuracy and applicability of inputs. These inputs include:
Labor and material costs
Inflation and market trends
Local regulations or changes in taxes
Currency fluctuations (if applicable)
Lessons learned from past cost assumptions
By verifying the budget inputs, the project manager ensures the estimate reflects current reality, not outdated assumptions from 2 years ago.
This aligns with PMI’s guidance to:
Use updated cost data
Apply expert judgment
Validate historical estimates through analogous estimation
❌ Why the Other Options Are Incorrect
A. Assigned the same project resources to this project
🔻 Incorrect. Using the same resources does not control for increased costs in materials, labor rates, or new regulations. Costs can still rise even with the same team.
B. Determined a budget reserve for this project
🔻 Incorrect. Budget reserves are used to manage known risks, not to avoid underestimating baseline costs. The issue here is inaccurate inputs, not lack of reserve.
D. Estimated a budget for the project’s quality management
🔻 Too narrow. While quality costs are important, this wouldn’t have prevented the overall cost baseline mismatch unless they were the primary cost driver (which isn’t indicated).
📌 Key Takeaways
Historical data must be verified before reuse
Cost estimates should reflect current rates, scope, and constraints
Analogous estimating requires validation of assumptions
PMP candidates must ensure cost estimating is based on current, validated inputs — not just historical similarity. Always verify assumptions before finalizing the project budget.
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