Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Certification Prep 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 the root causes of defects or process variation.
Question 2: What does the term 'Voice of the Customer' (VOC) refer to in Lean Six Sigma?
- Internal audit feedback
- Customer needs, expectations, and preferences (Correct answer)
- Supplier quality ratings
- Management directives
Correct answer: Customer needs, expectations, and preferences
Voice of the Customer captures the stated and unstated needs, expectations, and preferences of the end customer.
Question 3: Which of the following is considered one of the eight wastes in Lean methodology?
- Innovation
- Overproduction (Correct answer)
- Benchmarking
- Standardization
Correct answer: Overproduction
Overproduction, producing more than what is needed or before it is needed, is one of the eight recognized wastes in Lean.
Question 4: What is a process map primarily used for in a Lean Six Sigma project?
- Assigning team roles
- Visualizing the sequence of steps in a process (Correct answer)
- Calculating financial ROI
- Setting project deadlines
Correct answer: Visualizing the sequence of steps in a process
A process map visually documents the flow of steps, decisions, and handoffs within a process to help teams understand and improve it.
Question 5: In a cause-and-effect diagram, what does the 'effect' represent?
- The proposed solution
- The project budget
- The problem or quality issue being investigated (Correct answer)
- The team leader's opinion
Correct answer: The problem or quality issue being investigated
The effect in a cause-and-effect (fishbone) diagram represents the specific problem or quality issue the team is trying to solve.
Question 6: What is the primary goal of the Control phase in DMAIC?
- Brainstorm new project ideas
- Sustain the improvements and prevent regression (Correct answer)
- Collect baseline data
- Select team members
Correct answer: Sustain the improvements and prevent regression
The Control phase establishes monitoring systems, control plans, and standardized procedures to ensure improvements are maintained over time.
Lean Six Sigma Yellow Belt Certification FREE Lean Six Sigma Yellow Belt Certification Prep Questions and Answers 2
Which phase of DMAIC focuses on identifying the root cause of a problem?