Question 272 of 800
PMP Process — Managing Technical Aspects Practice Question
A project manager is developing a process improvement plan to reduce waste in a manufacturing project. The team has identified several non-value-added activities. Which technique should the project manager use to systematically analyze and improve the process?
⚠ Common exam trap
Many exam-takers confuse Pareto analysis (a quality tool for prioritizing issues) with a complete process improvement methodology, but the question specifically asks for a technique to 'systematically analyze and improve the process,' which requires a structured framework like Lean Six Sigma, not just a prioritization tool.
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
✓
Lean Six Sigma
Lean Six Sigma is the correct technique because it combines Lean's focus on eliminating waste (non-value-added activities) with Six Sigma's DMAIC (Define, Measure, Analyze, Improve, Control) methodology for systematic process improvement. This directly addresses the project manager's goal of reducing waste in a manufacturing project through data-driven analysis and continuous improvement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Pareto analysis
Why it's wrong here
Pareto analysis is a quality control tool that helps prioritize problems by identifying the 'vital few' causes responsible for the 'trivial many' effects, based on frequency or impact. While excellent for focusing improvement efforts on the most significant issues, it is primarily an analytical and prioritization tool. It does not provide a comprehensive framework or methodology for the entire process of planning, implementing, and sustaining process improvements.
- ✗
Program Evaluation and Review Technique (PERT)
Why it's wrong here
Program Evaluation and Review Technique (PERT) is a project management scheduling method specifically designed to estimate activity durations when there is a high degree of uncertainty. It uses a three-point estimate (optimistic, pessimistic, most likely) to calculate a weighted average duration, providing a probabilistic view of project completion. However, PERT's utility is limited to time estimation and schedule management, offering no guidance for identifying process inefficiencies, analyzing root causes, or designing improved operational workflows.
- ✓
Lean Six Sigma
Why this is correct
Lean Six Sigma is a robust, data-driven methodology specifically designed for process improvement, focusing on reducing defects and waste while improving efficiency and customer satisfaction. It employs a structured approach, typically the DMAIC (Define, Measure, Analyze, Improve, Control) roadmap, to systematically identify root causes, implement solutions, and sustain gains. This comprehensive framework directly supports developing a detailed process improvement plan by guiding the entire lifecycle from problem definition to solution implementation and control.
- ✗
Critical Path Method (CPM)
Why it's wrong here
The Critical Path Method (CPM) is a deterministic scheduling technique used to determine the longest sequence of activities that must be completed on time for the entire project to finish by its earliest possible date. It identifies the critical path and calculates float, helping project managers manage schedule constraints and optimize project duration. While crucial for project scheduling, CPM does not provide a framework or tools for analyzing process inefficiencies, identifying root causes of problems, or designing improved operational workflows.
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Last reviewed: Jun 11, 2026
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