LEAN Six Sigma Yellow Belt : Introduction : Practice Exam

#1. Which of the following is a core Lean principle?

Automate all processes

Add as many checkpoints as possible

Optimize the value stream

Focus solely on defect reduction

#2. What is the meaning of ‘CTQ’ in Six Sigma?

Critical to Quality

Current Total Quality

Cost to Quantify

Customer Target Quality

#3. What is the primary goal of Six Sigma?

Reduce defects to near perfection

Eliminate inventory

Increase process waste

Improve employee satisfaction

#4. Which company originally developed Lean principles?

General Electric

Motorola

Toyota

Ford

#5. What is the ‘Voice of the Customer’ (VOC)?

A set of product defects

Feedback and needs expressed by customers

An internal process review

A team meeting output

#6. Who is credited with pioneering Six Sigma at Motorola?

Bill Smith

Taiichi Ohno

W. Edwards Deming

Henry Ford

#7. Who is often referred to as the ‘father of quality’?

Bill Smith

W. Edwards Deming

Shigeo Shingo

Taiichi Ohno

#8. Which phase of DMAIC focuses on identifying the problem?

Measure

Analyze

Define

Control

#9. What is the Lean concept of ‘Kaizen’?

Continuous improvement

Total process control

Error-proofing

Customer satisfaction

#10. What does ‘DMAIC’ stand for?

Define, Manage, Analyze, Improve, Control

Define, Measure, Analyze, Improve, Control

Develop, Measure, Align, Improve, Control

Design, Measure, Assess, Implement, Control

#11. What is the combined purpose of Lean and Six Sigma?

Reduce costs and increase revenue

Eliminate waste and reduce variation

Automate processes and improve speed

Train employees and improve morale

#12. What does the term ‘Six Sigma’ refer to?

A process with 6 steps

A level of quality with minimal defects

A team of 6 individuals

A cost-reduction methodology

#13. How do Lean and Six Sigma differ fundamentally?

Lean focuses on waste reduction; Six Sigma focuses on reducing variation

Lean eliminates customer focus; Six Sigma improves it

Lean improves speed; Six Sigma reduces costs

Lean is a statistical tool; Six Sigma is not

#14. Which of the following best defines Six Sigma?

A system to reduce defects and variation

A framework for project management

A software development methodology

A leadership training program

#15. Which waste is defined as ‘Overproduction’ in Lean?

Producing more than customer demand

Waiting for materials to arrive

Excess motion of employees

Transportation of goods

#16. What is the role of a Yellow Belt in a Six Sigma project?

Lead large improvement projects

Support Green Belts and Black Belts

Develop company strategies

Manage process control plans

#17. Which of the following is NOT an 8 Waste of Lean?

Defects

Motion

Customer service

Waiting

#18. What is the primary focus of Lean methodology?

Reducing process variation

Eliminating waste

Improving product quality

Enhancing customer relationships

#19. Which of the following represents the Six Sigma defect target?

1 defect per 100 units

3.4 defects per million opportunities

10 defects per 1,000 units

6 defects per 100 opportunities

#20. Which of the following is NOT a principle of Lean?