Certified Six Sigma Black Belt Exam Trivia 2 — Questions and Answers
Question 1: Who is credited with developing the concept of 'Design for Six Sigma' (DFSS)?
- Mikel Harry (Correct answer)
- Bill Smith
- Genichi Taguchi
- Walter Shewhart
Correct answer: Mikel Harry
Mikel Harry, co-founder of the Six Sigma Academy, is widely credited with developing and formalizing the DFSS methodology.
Question 2: The term 'Poka-Yoke' originates from which language?
- Chinese
- Korean
- Japanese (Correct answer)
- German
Correct answer: Japanese
Poka-Yoke is a Japanese term meaning 'mistake-proofing,' developed by Shigeo Shingo as part of the Toyota Production System.
Question 3: In Six Sigma, what does the abbreviation 'CTQ' stand for?
- Critical to Quality (Correct answer)
- Control to Quality
- Critical to Quantity
- Cycle Time Quotient
Correct answer: Critical to Quality
CTQ stands for Critical to Quality, representing the key measurable characteristics of a product or process whose performance standards must be met to satisfy the customer.
Question 4: Which of the following best describes the 'Voice of the Customer' (VOC) in Six Sigma?
- Internal audit feedback
- Customer complaints only
- Structured process for capturing customer needs and expectations (Correct answer)
- Marketing survey data exclusively
Correct answer: Structured process for capturing customer needs and expectations
VOC is a structured research process used to capture customers' stated and unstated needs, expectations, and preferences to drive improvement priorities.
Question 5: What Six Sigma metric represents the number of defects per million opportunities at the 6σ performance level?
- 6,210
- 3.4 (Correct answer)
- 233
- 66,807
Correct answer: 3.4
At the 6σ level (with a 1.5σ shift), a process produces 3.4 defects per million opportunities (DPMO).
Question 6: The 'Seven Deadly Wastes' in Lean are often remembered by the acronym TIMWOOD. What does the 'W' stand for?
- Waiting (Correct answer)
- Waste
- Workflow
- Workload
Correct answer: Waiting
In TIMWOOD, 'W' stands for Waiting — time spent idle while waiting for materials, information, equipment, or people.
Question 7: In the context of Six Sigma, what is a 'Black Belt' primarily responsible for?
- Approving financial budgets
- Leading and executing improvement projects full-time (Correct answer)
- Training executive sponsors
- Certifying Green Belts
Correct answer: Leading and executing improvement projects full-time
Black Belts lead complex improvement projects full-time, applying DMAIC methodology and advanced statistical tools to achieve significant business results.
Certified Six Sigma Black Belt Exam Trivia 2
Who is credited with developing the concept of 'Design for Six Sigma' (DFSS)?