Lean Six Sigma Yellow Belt Certification Study Guide 2026

Everything you need to pass the Lean Six Sigma Yellow Belt Certification exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.

๐Ÿ“‹ Lean Six Sigma Yellow Belt Certification Exam Format at a Glance

50
Questions
60 min
Time Limit
70.00%
Passing Score

๐Ÿ“š Lean Six Sigma Yellow Belt Certification Topics to Study (134)

โœ๏ธ Sample Lean Six Sigma Yellow Belt Certification Questions & Answers

1. In the 5S methodology, what does the second 'S' (Seiton) mean?
โœ“ Set in order โ€” arrange tools and materials for efficient access

Seiton (Set in Order) means organizing remaining items so everything has a designated place, reducing search time and enabling visual management.

2. What does a well-written goal statement in a Define phase project charter typically follow?
โœ“ SMART criteria (Specific, Measurable, Achievable, Relevant, Time-bound)

SMART criteria ensure the goal statement is clear, trackable, realistic, aligned with business needs, and has a deadline. Without these qualities, a goal statement cannot be objectively evaluated at the project tollgate.

3. What is a process map primarily used for in a Lean Six Sigma project?
โœ“ 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.

4. In the DMAIC methodology, during which phase is Root Cause Analysis primarily performed?
โœ“ Analyze

Root Cause Analysis belongs in the Analyze phase, where teams examine collected data and use tools like fishbone diagrams and 5 Whys to identify the fundamental causes of defects before moving to solutions.

5. In a Lean office environment, which of the following would be classified as a 'defect' waste?
โœ“ An invoice sent with incorrect billing information requiring correction

An incorrect invoice is a defect in a service process โ€” it requires rework, delays payment, and damages customer trust.

6. Voice of the Customer (VOC) data is most commonly gathered through:
โœ“ Surveys, interviews, focus groups, and complaint data

VOC is collected directly from customers using surveys, interviews, focus groups, and complaint analysis to understand their needs.

๐ŸŽฏ Free Lean Six Sigma Yellow Belt Certification Practice Tests

๐Ÿ“– Lean Six Sigma Yellow Belt Certification Guides & Articles

Your Lean Six Sigma Yellow Belt Certification Study Path
1. Learn with Flashcards โ†’ 2. Drill Practice Tests โ†’ 3. Take the Full Exam Simulation
Was this helpful?
Lean Six Sigma Yellow Belt Certification Study Guide 2026 โ€” Exam Format, Topics & Practice Questions