Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Certification Questions and Answers 2 — Questions and Answers
Question 1: Which phase of DMAIC focuses on identifying the root cause of a problem?
- Define
- Measure
- Analyze (Correct answer)
- Improve
Correct answer: Analyze
The Analyze phase uses data analysis and statistical tools to identify and verify root causes of defects or problems.
Question 2: What does the acronym VOC stand for in Lean Six Sigma?
- Value of Customer
- Voice of the Customer (Correct answer)
- Variation of Cost
- Volume of Change
Correct answer: Voice of the Customer
VOC stands for Voice of the Customer, which captures customer requirements, expectations, and preferences.
Question 3: Which of the following is a primary waste identified in Lean methodology?
- Innovation
- Overproduction (Correct answer)
- Collaboration
- Documentation
Correct answer: Overproduction
Overproduction is one of the eight wastes (DOWNTIME) in Lean, where more product is made than what is currently demanded.
Question 4: What is the purpose of a SIPOC diagram?
- To track employee performance metrics
- To provide a high-level overview of a process (Correct answer)
- To calculate defects per million opportunities
- To assign team roles and responsibilities
Correct answer: To provide a high-level overview of a process
A SIPOC diagram maps Suppliers, Inputs, Process, Outputs, and Customers to give a high-level view of a process before detailed analysis.
Question 5: In Six Sigma, what sigma level corresponds to approximately 3.4 defects per million opportunities?
- 3 Sigma
- 4 Sigma
- 5 Sigma
- 6 Sigma (Correct answer)
Correct answer: 6 Sigma
A Six Sigma level of quality means the process produces no more than 3.4 defects per million opportunities.
Question 6: Which tool is used to prioritize potential causes by separating the vital few from the trivial many?
- Control chart
- Pareto chart (Correct answer)
- Scatter diagram
- Histogram
Correct answer: Pareto chart
A Pareto chart applies the 80/20 rule to visually rank causes so teams can focus on the factors with the greatest impact.
Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Certification Questions and Answers 2
Which phase of DMAIC focuses on identifying the root cause of a problem?