A GAQM credential still carries real weight with hiring managers, and the GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) exam is your way in. Dumpkiller gives you 95 practice questions so you can walk into the CLSSYB-001 testing center with confidence.
GAQM CLSSYB-001 Exam Overview:
| Certification Vendor: | GAQM |
|---|---|
| Exam Name: | GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) Exam |
| Exam Number: | CLSSYB-001 |
| Real Exam Qty: | 50 |
| Exam Price: | $99 - $120 USD |
| Certificate Validity Period: | Lifetime |
| Passing Score: | 70% |
| Related Certifications: | CLSSBB (Black Belt) CLSSGB (Green Belt) CLSSMBB (Master Black Belt) |
| Available Languages: | English |
| Exam Duration: | 60 minutes |
| Exam Format: | AI-proctored Online, Multiple Choice |
| Recommended Training: | GAQM Official E-Course |
| Exam Registration: | GAQM Official Registration |
| Sample Questions: | DOWNLOAD DEMO |
| Exam Way: | Online AI-proctored, remote delivery, available 24/7 |
| Pre Condition: | No formal prerequisites; completion of GAQM recommended e-course is optional but advised |
| Official Syllabus URL: | https://gaqm.org/certifications/lean_six_sigma/clssyb |
GAQM CLSSYB-001 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Improve and Control Phases | 20% | - Pugh matrix and improvement planning - Basic control charts - Control plan development - Solution development and evaluation - Sustaining improvements |
| Topic 2: Analyze Phase | 20% | - Root cause identification tools - Process variation analysis - Five Why analysis - Scatter diagram and correlation - Histogram, Pareto chart, stratification |
| Topic 3: Measure Phase | 20% | - Data types: discrete and continuous - Process capability analysis - Measurement system basics - Data collection planning - Basic statistics and distributions |
| Topic 4: Define Phase | 20% | - Problem statement and project charter - Process mapping basics - Stakeholder identification - Voice of Customer (VOC) and Kano model |
| Topic 5: Introduction to Lean Six Sigma | 20% | - Lean principles and waste reduction - Origins and concepts of Six Sigma - DMAIC methodology overview - Roles and responsibilities in Lean Six Sigma projects - Value and process improvement fundamentals |
Your CLSSYB-001 Exam Questions, Answered
What is the CLSSYB-001 exam all about?
The GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) exam (code: CLSSYB-001) is the official GAQM exam that leads to the Certified Lean Six Sigma Yellow Belt (CLSSYB) certification. It sits at the Entry / Foundation level of the GAQM certification track. It is also connected with related credentials such as CLSSGB (Green Belt), CLSSBB (Black Belt), CLSSMBB (Master Black Belt). Passing it proves to employers that your skills have been validated by GAQM itself, which is why the CLSSYB-001 credential keeps showing up in job postings.
How many questions are in the CLSSYB-001 exam, and how long does it take?
The GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) exam gives you 60 minutes to work through 50. Pacing matters more than most candidates expect, so before exam day, run at least one full timed session in the Dumpkiller test engine to learn how long you can afford per question. If an item stalls you, flag it and move on — coming back later beats burning five minutes on a single question.
What score do I need to pass the CLSSYB-001 exam, and how much does it cost?
The passing score for the GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) exam is 70%, and the official registration fee is $99 - $120 USD. Remember that a failed attempt means paying that fee in full again, so a timed self-assessment with Dumpkiller practice questions about a week before your exam date is a cheap way to confirm you are scoring comfortably above 70%.
Are there any prerequisites for the CLSSYB-001 exam?
According to GAQM, the following applies: No formal prerequisites; completion of GAQM recommended e-course is optional but advised. Certification policies do change from time to time, so confirm the latest requirements on the official exam page at https://gaqm.org/certifications/lean_six_sigma/clssyb before you register.
How do I register for the CLSSYB-001 exam?
You can book your GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) exam through the official channels below:
Depending on availability in your region, the exam is delivered as Online AI-proctored, remote delivery, available 24/7.
What official training does GAQM recommend for the CLSSYB-001 exam?
GAQM lists the following training options for GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) candidates:
Official courses build a solid foundation, and pairing them with the 95 practice questions from Dumpkiller shows you how ready you really are before you spend money on the exam itself.
Can I try the CLSSYB-001 practice questions before buying?
Yes. Dumpkiller offers a free CLSSYB-001 PDF demo so you can review the question style, difficulty, and explanations before committing to anything. After purchase, your GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) material includes 365 days of free updates, and if your product expires after that, you can extend the update service at a 50% discount from your member zone.
What happens if I do not pass the CLSSYB-001 exam, and how is my order delivered?
If you take the corresponding CLSSYB-001 exam within 60 days of your purchase and do not pass, you can apply for a full refund under our 100% Money Back Guarantee, subject to a few conditions: the failed exam must be the one matching your purchase; sitting the exam within 3 days of purchase does not qualify, since that leaves too little preparation time; downloading the material without actually taking the exam does not qualify; free materials and expired orders are excluded; and the candidate name must match the payer name. To apply, send a scanned copy of your enrollment slip together with your official Score Report (PDF) within 2 days after the exam, and claims are processed within 7 days. If you would rather not take a refund, you can exchange your purchase for two free products of equal value while keeping the update service on the product you originally bought. As for delivery, everything is an instant download: your products are sent to your email within one minute of payment — contact customer service if nothing arrives within 2 hours — and there is no limit on the number of computers you can install the software on.
What topics are covered in the CLSSYB-001 exam?
The official GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) syllabus is organized into 5 main domains. The first three are Introduction to Lean Six Sigma (20%), Define Phase (20%), and Improve and Control Phases (20%). For the full domain-by-domain breakdown, see the complete Exam Topics outline above.
GAQM Certified Lean Six Sigma Yellow Belt (CLSSYB) Sample Questions:
Question #1
Long-term Data represents all the variation that one can expect to experience from the output of the subject process.
A. True
B. False
Question #2
Cycle Time, Defects, Scrap Cost and Safety are examples of business metrics or commonly referred to as which of the following?
A. Defects per Unit
B. Key Performance Indicators
C. Impediments to Flow
D. Hidden Costs
Question #3
Upon completion of a project a Belt must complete the ____________________ then transfer responsibility for this to the Process Owner.
A. Project Timesheet
B. Team Briefing Paper
C. Documentation Plan
D. Final Process Map
Question #4
Stability, Bias and Linearity define the ___________ of a Measurement System.
A. Precision
B. Repeatability
C. Accuracy
D. Sensitivity
Question #5
In order to properly draft a Process Map at the start of a project we are told to __________________ from beginning to the end.
A. Interview the line operators
B. Walk the process
C. Check the repair stations
D. Chat with supervisors
Solutions:
| Question #1 Correct Answer: A | Question #2 Correct Answer: B | Question #3 Correct Answer: C | Question #4 Correct Answer: C | Question #5 Correct Answer: B |


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