Lean Six Sigma Yellow Belt Certification Lean Six Sigma Yellow Belt The Define Phase Questions and Answers 2 — Questions and Answers
Question 1: What is the primary purpose of a SIPOC diagram in the Define phase?
- To provide a high-level overview of the process including Suppliers, Inputs, Process, Outputs, and Customers (Correct answer)
- To calculate the sigma level of a process
- To identify root causes of defects
- To design a new process from scratch
Correct answer: To provide a high-level overview of the process including Suppliers, Inputs, Process, Outputs, and Customers
A SIPOC diagram maps Suppliers, Inputs, Process steps, Outputs, and Customers to give the team a high-level understanding of the process scope.
Question 2: Which document formally authorizes a Lean Six Sigma project and defines its scope, objectives, and resources?
- Control plan
- Project charter (Correct answer)
- Fishbone diagram
- Value stream map
Correct answer: Project charter
The project charter is the foundational document that authorizes the project, states the problem, defines scope, and identifies team members and resources.
Question 3: What does the acronym CTQ stand for in Lean Six Sigma?
- Cost To Quality
- Critical To Quality (Correct answer)
- Control Through Quantification
- Customer Tracked Quotient
Correct answer: Critical To Quality
CTQ stands for Critical To Quality, representing the measurable characteristics of a product or process that must meet customer requirements.
Question 4: During the Define phase, what is the recommended approach for writing a problem statement?
- Include the solution within the problem statement
- Use vague language to allow flexibility
- State the problem in measurable terms without implying a cause or solution (Correct answer)
- Focus only on who is to blame for the issue
Correct answer: State the problem in measurable terms without implying a cause or solution
A well-written problem statement quantifies the gap between current and desired performance without assigning blame or suggesting solutions.
Question 5: What is the Voice of the Customer (VOC) used for in the Define phase?
- To measure process capability
- To capture customer needs, expectations, and requirements (Correct answer)
- To assign team roles and responsibilities
- To calculate cost savings from the project
Correct answer: To capture customer needs, expectations, and requirements
Voice of the Customer captures feedback and requirements directly from customers to ensure the project addresses their true needs.
Question 6: In a project charter, what does the 'business case' section typically describe?
- The detailed statistical analysis of the problem
- The step-by-step solution to the problem
- Why the project is important and the financial or strategic impact of solving the problem (Correct answer)
- The names and roles of all team members
Correct answer: Why the project is important and the financial or strategic impact of solving the problem
The business case justifies why the organization should invest resources in the project by explaining the strategic or financial impact.
What is the primary purpose of a SIPOC diagram in the Define phase?