Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Certification MCQ Questions and Answers 2 — Questions and Answers
Question 1: Which phase of the DMAIC methodology focuses on identifying the root cause of a problem?
- Define
- Measure
- Analyze (Correct answer)
- Improve
Correct answer: Analyze
The Analyze phase uses data and tools to identify root causes of defects or process variation.
Question 2: What does the term 'Voice of the Customer' (VOC) represent in Lean Six Sigma?
- Internal audit feedback
- Customer needs and expectations (Correct answer)
- Supplier quality ratings
- Employee satisfaction scores
Correct answer: Customer needs and expectations
VOC captures the customer's requirements, preferences, and expectations for a product or service.
Question 3: Which of the following is a primary waste identified in Lean methodology?
- Innovation
- Overproduction (Correct answer)
- Benchmarking
- Standardization
Correct answer: Overproduction
Overproduction is one of the eight wastes (TIMWOODS) that Lean seeks to eliminate from processes.
Question 4: What is the purpose of a SIPOC diagram?
- To calculate process capability
- To provide a high-level overview of a process (Correct answer)
- To track 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 process view.
Question 5: In Six Sigma, what does a process operating at 6 sigma level imply about defects?
- 6 defects per hundred
- 6 defects per thousand
- 3.4 defects per million opportunities (Correct answer)
- Zero defects guaranteed
Correct answer: 3.4 defects per million opportunities
A Six Sigma process produces no more than 3.4 defects per million opportunities (DPMO).
Question 6: Which tool is commonly used during the Measure phase to visualize process flow and identify bottlenecks?
- Pareto chart
- Value stream map (Correct answer)
- Control chart
- Affinity diagram
Correct answer: Value stream map
A value stream map visually represents material and information flow, highlighting waste and bottlenecks.
Which phase of the DMAIC methodology focuses on identifying the root cause of a problem?