A GAQM credential still carries serious weight with employers in 2026, and the GAQM Certified Lean Six Sigma Black Belt (CLSSBB) is your way in. Prepare with GetValidTest and work through 252 practice questions built around the official CLSSBB-001 objectives.
GAQM CLSSBB-001 Exam Overview:
| Certification Vendor: | GAQM (Global Association for Quality Management) |
|---|---|
| Exam Name: | GAQM Certified Lean Six Sigma Black Belt (CLSSBB) Exam |
| Exam Number: | CLSSBB-001 |
| Available Languages: | English |
| Exam Price: | 220 USD (exam voucher); 300 USD (premium package) |
| Certificate Validity Period: | Lifetime |
| Real Exam Qty: | 100 |
| Related Certifications: | Certified Lean Six Sigma Yellow Belt (CLSSYB) Certified Lean Six Sigma Green Belt (CLSSGB) Certified Lean Six Sigma Master Black Belt (CLSSMBB) |
| Exam Format: | Multiple Choice Questions |
| Passing Score: | 70% |
| Exam Duration: | 120 minutes |
| Recommended Training: | GAQM Official E-Course |
| Exam Registration: | Official GAQM Registration |
| Sample Questions: | ![]() |
| Exam Way: | Online AI-proctored exam, accessible anytime within voucher validity |
| Pre Condition: | No mandatory prerequisites; CLSSGB or equivalent experience recommended |
| Official Syllabus URL: | https://gaqm.org/certifications/lean_six_sigma/clssbb |
GAQM CLSSBB-001 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Measure Phase | - Data types, scales and statistical distributions - Graphical analysis and stability checks - Process capability analysis: Cp, Cpk, Pp, Ppk - Descriptive statistics: central tendency and dispersion - Measurement Systems Analysis (MSA): Gage R&R |
| Improve Phase | - Pilot testing and risk assessment - Implementation planning and change management - Design of Experiments (DOE) - Solution generation and prioritization - Lean optimization tools: Poka-Yoke, value stream mapping |
| Control Phase | - Project closure and knowledge transfer - Statistical Process Control (SPC) and control charts - Standardization and documentation - Sustainability and continuous improvement - Process monitoring and response plans |
| Pre-Define and Define Phase | - DMAIC vs DFSS frameworks - Project selection, prioritization and financial analysis - Baseline performance and Six Sigma metrics - Voice of Customer, CTQ, Kano Model, QFD - Project charter, SIPOC/COPIS mapping |
| Analyze Phase | - Failure Mode and Effects Analysis (FMEA) - Variance analysis and bottleneck identification - Correlation and regression analysis - Hypothesis testing and confidence intervals - Root cause identification and analysis tools |
| Organizational Roadblocks and Lean Management | - Organizational roadblocks and resistance analysis - Lean tools: 5S, Kaizen, SMED, Heijunka - Overview of continuous improvement, Lean and Six Sigma - Lean concepts: TAKT time, cycle time, lead time, process efficiency |
Answers to Common Questions About the GAQM CLSSBB-001 Exam
Yes. GetValidTest offers a free PDF demo of the CLSSBB-001 practice questions so you can check the quality, the format, and the difficulty level before you spend anything. After you purchase, you also receive 365 days of free updates, and if the product expires you can extend the update service at a 50% discount from your member zone.
The CLSSBB-001 exam contains 100 questions and gives you 120 minutes to complete them. That works out to a brisk pace, so you cannot afford to stall on a single tricky item — flag it, move on, and circle back if time allows. Before exam day, run at least two timed mock sessions with the GetValidTest desktop or online test engine; practicing against a real clock turns the official time limit into a comfortable rhythm instead of a source of panic.
The CLSSBB-001 exam (full name: GAQM Certified Lean Six Sigma Black Belt (CLSSBB) Exam) is a GAQM certification exam that leads to the Certified Lean Six Sigma Black Belt (CLSSBB) credential, positioned at the Professional / Black Belt level. It validates the skills GAQM expects from professionals working with its technologies, and passing it is the key step toward getting certified. It also sits within a broader certification path that includes Certified Lean Six Sigma Green Belt (CLSSGB), Certified Lean Six Sigma Master Black Belt (CLSSMBB), Certified Lean Six Sigma Yellow Belt (CLSSYB).
The GAQM Certified Lean Six Sigma Black Belt (CLSSBB) exam is organized into 6 domains. The main areas include Analyze Phase, Pre-Define and Define Phase, and Organizational Roadblocks and Lean Management. Scroll up to the exam syllabus section on this page for the complete topic-by-topic outline.
No mandatory prerequisites; CLSSGB or equivalent experience recommended
Eligibility requirements can change, so before you register, confirm the latest criteria on the official GAQM exam page.
To pass the CLSSBB-001 exam you need a score of 70%, and the official registration fee is 220 USD (exam voucher); 300 USD (premium package). Keep in mind that a failed attempt comes at full price: retaking the exam means paying the entire fee again. A smart way to protect that investment is to self-test first — work through the 252 practice questions at GetValidTest until your timed scores sit comfortably above the passing line before you book a seat.
GAQM recommends the following training resources for the GAQM Certified Lean Six Sigma Black Belt (CLSSBB):
Official courses build the theory; pair them with the 252 practice questions from GetValidTest to turn that knowledge into exam-ready speed and accuracy.
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You can register for the GAQM Certified Lean Six Sigma Black Belt (CLSSBB) through the official channels below:
The CLSSBB-001 exam is delivered Online AI-proctored exam, accessible anytime within voucher validity, so choose the option that best fits your schedule when you book.
GAQM Certified Lean Six Sigma Black Belt (CLSSBB) Sample Questions:
An operator checks that all boxes being packed contain enough products to fill the box. However, each box getting filled has a different number of products in it. This is a Reproducibility problem, not a Repeatability problem.
- A. True
- B. False
Correct Answer: B 🗳️
Which statement is NOT correct about the Fitted Line Plot shown here?
- A. When the reactant increases, the expected yield would increase
- B. With at least 95% confidence, we can expect less than 10 units of Yield when the reactant is at a value of 1
- C. The independent variable is the reactant
- D. A reactant value between 6 and 8 units yields around 40 to 60
- E. If the reactant was 10 units, with 95% confidence we would expect a minimum yield of 148 units
Correct Answer: D 🗳️
Which item(s) listed would impact the Process Capability for a process with a continuous output? (Note: There are 4 correct answers).
- A. Process Technology
- B. Presence of Special Causes or solely Common Causes
- C. Shape of process data distribution (e.g. Normal Distribution)
- D. Process Standard Deviation
- E. Seasonal variation in process
Correct Answer: B,C,D,E 🗳️
SPC Charts are used extensively in different business and decision-making environments. In this example a vendor is being selected based on speed of delivery. Which of the conclusions would help you pick a vendor for your needs regarding lead-time of delivery from your vendors? (Note: There are 4 correct answers).
- A. Vendor B as the Control Limits are much narrower than Vendor A
- B. Vendor B as it has a better consistency (lower variance) on lead time
- C. Vendor B with higher lead time, but a process with much narrower Control Limits
- D. Vendor A with a much shorter lead time in delivery
- E. Vendor B as Vendor A shows a situation out of control as shown in red
Correct Answer: A,B,C,E 🗳️
The _______ is the most frequently occurring value in a distribution of data.
- A. Center Point
- B. Mode
- C. Mean
- D. Median
Correct Answer: B 🗳️
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