Lean Six Sigma Green Belt Certification DMAIC: Define Phase Concepts 2 — Questions and Answers
Question 1: Which document formally authorizes a Six Sigma project and assigns the Green Belt to lead it?
- SIPOC diagram
- Project charter (Correct answer)
- Voice of Customer matrix
- Business case statement
Correct answer: Project charter
The project charter is the formal document that authorizes the project, defines its scope, and assigns team roles including the Green Belt leader.
Question 2: In the Define phase, what does the acronym CTQ stand for?
- Cost to Quality
- Critical to Quality (Correct answer)
- Control to Quantity
- Criteria to Qualify
Correct answer: Critical to Quality
CTQ stands for Critical to Quality, representing the measurable characteristics most important to the customer's satisfaction.
Question 3: A Green Belt project charter includes a business case. What is the PRIMARY purpose of the business case?
- To assign team member responsibilities
- To justify why the project is worth the organization's investment (Correct answer)
- To document the root cause of the problem
- To outline the measurement plan
Correct answer: To justify why the project is worth the organization's investment
The business case explains the financial and strategic reasons why the organization should invest resources in the project.
Question 4: Which stakeholder group is considered the MOST important source for defining CTQs?
- Project sponsors
- External customers (Correct answer)
- Process owners
- Finance department
Correct answer: External customers
External customers are the primary source for CTQs because Six Sigma is fundamentally about delivering value that meets or exceeds customer needs.
Question 5: What is the purpose of defining project boundaries in the project charter's scope section?
- To identify all possible root causes
- To prevent scope creep and keep the team focused (Correct answer)
- To assign financial budgets to each phase
- To schedule milestone dates
Correct answer: To prevent scope creep and keep the team focused
Defining scope boundaries prevents scope creep by clearly stating what is and is not included in the project.
Question 6: During the Define phase, a team creates a high-level process map. What tool is MOST commonly used for this purpose?
- Control chart
- SIPOC diagram (Correct answer)
- Fishbone diagram
- Pareto chart
Correct answer: SIPOC diagram
The SIPOC diagram provides a high-level view of the process by identifying Suppliers, Inputs, Process steps, Outputs, and Customers.
Question 7: Which element of the project charter describes the current baseline performance and desired future state?
- Team members section
- Goal statement (Correct answer)
- Risk register
- Communication plan
Correct answer: Goal statement
The goal statement captures the current baseline metric and quantifies the expected improvement, providing a measurable target.
Lean Six Sigma Green Belt Certification DMAIC: Define Phase Concepts 2
Which document formally authorizes a Six Sigma project and assigns the Green Belt to lead it?