Lean Six Sigma Green Belt Define & Measure Comprehensive
Question Bank, Most Tested Questions & Detailed Rationales
2026/2027
QUESTION 1
What is the primary purpose of a Project Charter in the Define phase?
• A. To solve the problem immediately without data collection.
• B. To define the project scope, business case, goals, and team
members to ensure alignment.
• C. To document the final results of the Six Sigma project.
• D. To list every possible solution that might be implemented.
Correct Answer: B. To define the project scope, business case, goals,
and team members to ensure alignment.
Detailed Rationale: The charter acts as a contract between the team
and leadership, providing clear boundaries (scope) and focus to prevent
"scope creep" and ensure organizational support.
QUESTION 2
What does the acronym SIPOC stand for in the Define phase?
• A. Strategy, Improvement, Process, Output, Control
• B. Suppliers, Inputs, Process, Outputs, Customers
• C. Standard, Implementation, Performance, Optimization, Cost
• D. Systems, Infrastructure, People, Operations, Constraints
,Correct Answer: B. Suppliers, Inputs, Process, Outputs, Customers
Detailed Rationale: A SIPOC diagram provides a high-level view of a
process, identifying where inputs originate, what is done, what is
produced, and who receives the outputs.
QUESTION 3
When developing a "Critical to Quality" (CTQ) tree, what is the starting
point?
• A. The current process speed.
• B. The customer's needs or requirements (Voice of the Customer).
• C. The budget of the department.
• D. The available software tools.
Correct Answer: B. The customer's needs or requirements (Voice of the
Customer).
Detailed Rationale: A CTQ tree breaks down high-level, often vague
customer needs into specific, measurable, and actionable requirements.
QUESTION 4
What are the characteristics of a "SMART" goal in a Project Charter?
• A. Simple, Measurable, Actionable, Reliable, Timely
• B. Specific, Measurable, Achievable, Relevant, Time-bound
• C. Systematic, Managed, Accountable, Realistic, Targeted
• D. Standardized, Maintained, Assessed, Reported, Tracked
Correct Answer: B. Specific, Measurable, Achievable, Relevant, Time-
bound
,Detailed Rationale: SMART goals ensure that the project objective is
clear, quantifiable, realistic within the business context, and has a
defined deadline.
QUESTION 5
In stakeholder analysis, what is the primary goal of mapping
stakeholders by "Influence" and "Interest"?
• A. To identify who to fire.
• B. To determine the communication and engagement strategy for
each group.
• C. To decide the order of the project steps.
• D. To calculate the Return on Investment (ROI).
Correct Answer: B. To determine the communication and engagement
strategy for each group.
Detailed Rationale: Managing stakeholders requires different
approaches; high-power/high-interest stakeholders need active
management, while low-power/low-interest stakeholders may only
need monitoring.
QUESTION 6
Which tool helps a team visualize the sequence of steps in a process to
identify non-value-added activities?
• A. Pareto Chart
• B. Process Map (or Flowchart)
• C. Control Chart
, • D. Gage R&R
Correct Answer: B. Process Map (or Flowchart)
Detailed Rationale: Process mapping documents the workflow, helping
the team see bottlenecks, redundancies, and rework loops that the
process currently contains.
QUESTION 7
In the context of Voice of the Customer (VOC), what does "Kano
Analysis" help define?
• A. The statistical mean of the data.
• B. The classification of customer requirements into basic,
performance, and excitement/delighters.
• C. The measurement system error.
• D. The financial cost of poor quality.
Correct Answer: B. The classification of customer requirements into
basic, performance, and excitement/delighters.
Detailed Rationale: Kano analysis helps prioritize project focus by
identifying features that must be present (basic) versus those that
delight the customer.
QUESTION 8
What is "Scope Creep"?
• A. The intentional reduction of project goals.
• B. The gradual, uncontrolled expansion of project boundaries
without adjustments to time or resources.
Question Bank, Most Tested Questions & Detailed Rationales
2026/2027
QUESTION 1
What is the primary purpose of a Project Charter in the Define phase?
• A. To solve the problem immediately without data collection.
• B. To define the project scope, business case, goals, and team
members to ensure alignment.
• C. To document the final results of the Six Sigma project.
• D. To list every possible solution that might be implemented.
Correct Answer: B. To define the project scope, business case, goals,
and team members to ensure alignment.
Detailed Rationale: The charter acts as a contract between the team
and leadership, providing clear boundaries (scope) and focus to prevent
"scope creep" and ensure organizational support.
QUESTION 2
What does the acronym SIPOC stand for in the Define phase?
• A. Strategy, Improvement, Process, Output, Control
• B. Suppliers, Inputs, Process, Outputs, Customers
• C. Standard, Implementation, Performance, Optimization, Cost
• D. Systems, Infrastructure, People, Operations, Constraints
,Correct Answer: B. Suppliers, Inputs, Process, Outputs, Customers
Detailed Rationale: A SIPOC diagram provides a high-level view of a
process, identifying where inputs originate, what is done, what is
produced, and who receives the outputs.
QUESTION 3
When developing a "Critical to Quality" (CTQ) tree, what is the starting
point?
• A. The current process speed.
• B. The customer's needs or requirements (Voice of the Customer).
• C. The budget of the department.
• D. The available software tools.
Correct Answer: B. The customer's needs or requirements (Voice of the
Customer).
Detailed Rationale: A CTQ tree breaks down high-level, often vague
customer needs into specific, measurable, and actionable requirements.
QUESTION 4
What are the characteristics of a "SMART" goal in a Project Charter?
• A. Simple, Measurable, Actionable, Reliable, Timely
• B. Specific, Measurable, Achievable, Relevant, Time-bound
• C. Systematic, Managed, Accountable, Realistic, Targeted
• D. Standardized, Maintained, Assessed, Reported, Tracked
Correct Answer: B. Specific, Measurable, Achievable, Relevant, Time-
bound
,Detailed Rationale: SMART goals ensure that the project objective is
clear, quantifiable, realistic within the business context, and has a
defined deadline.
QUESTION 5
In stakeholder analysis, what is the primary goal of mapping
stakeholders by "Influence" and "Interest"?
• A. To identify who to fire.
• B. To determine the communication and engagement strategy for
each group.
• C. To decide the order of the project steps.
• D. To calculate the Return on Investment (ROI).
Correct Answer: B. To determine the communication and engagement
strategy for each group.
Detailed Rationale: Managing stakeholders requires different
approaches; high-power/high-interest stakeholders need active
management, while low-power/low-interest stakeholders may only
need monitoring.
QUESTION 6
Which tool helps a team visualize the sequence of steps in a process to
identify non-value-added activities?
• A. Pareto Chart
• B. Process Map (or Flowchart)
• C. Control Chart
, • D. Gage R&R
Correct Answer: B. Process Map (or Flowchart)
Detailed Rationale: Process mapping documents the workflow, helping
the team see bottlenecks, redundancies, and rework loops that the
process currently contains.
QUESTION 7
In the context of Voice of the Customer (VOC), what does "Kano
Analysis" help define?
• A. The statistical mean of the data.
• B. The classification of customer requirements into basic,
performance, and excitement/delighters.
• C. The measurement system error.
• D. The financial cost of poor quality.
Correct Answer: B. The classification of customer requirements into
basic, performance, and excitement/delighters.
Detailed Rationale: Kano analysis helps prioritize project focus by
identifying features that must be present (basic) versus those that
delight the customer.
QUESTION 8
What is "Scope Creep"?
• A. The intentional reduction of project goals.
• B. The gradual, uncontrolled expansion of project boundaries
without adjustments to time or resources.
