PDF Version DemoShort on study time for the GAQM Certified Lean Six Sigma Black Belt (CLSSBB) exam? Getcertkey condenses your preparation into 357 focused practice questions for the CLSSBB exam, so even a packed schedule leaves room for steady, measurable progress.
GAQM CLSSBB Exam Overview:
| Certification Vendor: | GAQM |
|---|---|
| Exam Name: | GAQM Certified Lean Six Sigma Black Belt (CLSSBB) |
| Exam Number: | CLSSBB |
| Exam Duration: | 180-240 |
| Exam Price: | Varies by region (approximately USD 300-600) |
| Certificate Validity Period: | Lifetime certification (no expiry stated for GAQM CLSSBB in most cases) |
| Available Languages: | English |
| Related Certifications: | Lean Six Sigma Master Black Belt Lean Six Sigma Yellow Belt Lean Six Sigma Green Belt |
| Real Exam Qty: | 120-150 |
| Exam Format: | Online Proctored Exam, Multiple Choice Questions |
| Passing Score: | Typically 70% |
| Recommended Training: | GAQM Lean Six Sigma Black Belt Training |
| Exam Registration: | GAQM Official Certification Registration |
| Sample Questions: |  |
| Exam Way: | Online proctored exam |
| Pre Condition: | Lean Six Sigma Green Belt certification or equivalent professional experience is recommended |
| Official Syllabus URL: | https://www.gaqm.org |
GAQM CLSSBB Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Measure Phase | - Measurement System Analysis - Data Collection Methods - Process Capability |
| Topic 2: Define Phase | - Voice of the Customer (VOC) - Project Charter - Process Mapping |
| Topic 3: Lean Six Sigma Tools & Concepts | - DMAIC Methodology - Lean Principles - Quality Management Tools |
| Topic 4: Improve Phase | - Lean Tools - Solution Design - Pilot Testing |
| Topic 5: Analyze Phase | - Root Cause Analysis - Hypothesis Testing - Statistical Analysis Tools |
| Topic 6: Control Phase | - Sustainability of Improvements - Statistical Process Control (SPC) - Control Plans |
GAQM Certified Lean Six Sigma Black Belt (CLSSBB) Exam FAQ: What Candidates Ask Most
What is the GAQM CLSSBB exam?
The CLSSBB exam is the official GAQM exam behind the Certified Lean Six Sigma Black Belt (CLSSBB) certification, validating the skills measured by the GAQM Certified Lean Six Sigma Black Belt (CLSSBB) credential. It sits at the Professional level of the GAQM certification program. It also connects to Lean Six Sigma Green Belt, Lean Six Sigma Yellow Belt, Lean Six Sigma Master Black Belt, so the knowledge you build here carries over to those tracks as well.
How many questions are on the CLSSBB exam, and how much time do I get?
The CLSSBB exam contains 120-150 questions to be completed within 180-240. Before exam day, divide the available time by the question count to work out a comfortable per-question pace, and mark any item that eats into it so you can return later instead of getting stuck. Timed sessions in the Getcertkey test engines make that pacing automatic — run at least two full-length mock exams under the clock so time pressure never becomes the reason you drop points.
What score do I need to pass the CLSSBB exam, and what does it cost?
The passing score for the CLSSBB exam is Typically 70%, and the official registration fee is Varies by region (approximately USD 300-600). Retakes are not discounted — every new attempt means paying the full fee again — so it pays to measure yourself before you book. Work through the 357 practice questions on Getcertkey, sit a timed practice test, and schedule your exam only when your scores are consistently comfortable. That simple habit is the cheapest exam strategy there is.
Are there any prerequisites for the CLSSBB exam?
Lean Six Sigma Green Belt certification or equivalent professional experience is recommended Requirements can change when GAQM revises its certification program, so confirm the current eligibility rules on the official exam page before you register.
How do I register for the CLSSBB exam?
You can book the GAQM Certified Lean Six Sigma Black Belt (CLSSBB) exam through the official registration channels below:
As for delivery, the exam is offered in the following format: Online proctored exam. Choose the option that suits you best when you book your seat.
What official training is recommended for the CLSSBB exam?
GAQM recommends the following training resources for the GAQM Certified Lean Six Sigma Black Belt (CLSSBB) exam:
Official courses build the foundation; the 357 practice questions from Getcertkey then show you how that knowledge is examined, so the two work best together.
Can I try the CLSSBB practice questions before I buy?
Yes. Getcertkey provides a free CLSSBB PDF demo so you can review the question style and answer quality before purchasing. Every purchase also includes 365 days of free updates — if GAQM revises the exam during that period, the updated material reaches you at no cost. Once the free-update year ends, you can extend your update service at a 50% discount.
What if I fail the CLSSBB exam, and how is my order delivered?
Every GAQM Certified Lean Six Sigma Black Belt (CLSSBB) purchase on Getcertkey is covered by a 100% money-back guarantee with clear conditions: if you take the corresponding exam within 60 days of your purchase and do not pass, you can claim a full refund by submitting a scanned copy of your exam enrollment slip and your official score report as a PDF within two days of the exam date; claims are processed within seven days of submission. The guarantee does not apply to exams taken within three days of purchase, to material that was downloaded but never used in an exam attempt, or to free products and expired orders, and the candidate name must match the payer name. If you would rather not take a refund, you can instead exchange your purchase for two free exam preparation products of equal value and keep the update service on your original product.
Delivery is instant: your download is sent to your email within one minute of payment, with no limit on how many computers you may install the material on. If nothing arrives within two hours, check your spam folder and contact customer service for help.
What topics are covered in the CLSSBB exam?
The GAQM Certified Lean Six Sigma Black Belt (CLSSBB) exam blueprint is organized into 6 domains. The first three are:
- Improve Phase
- Lean Six Sigma Tools & Concepts
- Measure Phase
For the complete domain-by-domain breakdown, scroll up to the full exam topics outline above and use it to plan how you distribute your study time.
GAQM Certified Lean Six Sigma Black Belt (CLSSBB) Sample Questions:
Question #1
An x-bar and R chart has four part measurements per sample. The control limits on the averages chart are 2.996 and 3.256. Assume the process data form a normal distribution. What is the probability that the next part measurement falls outside the control limits?
A. 0.0027
B. 0.0681
C. 0.00135
D. 0.1362
E. none of the above
F. 0.2724
Question #2
An x-bar control chart has been established with control limits of 3.245 and 3.257, n = 5. An engineer collects the following sample and plots the average on the control chart: 3.257, 3,256, 3. 258, 3.259.
A. the engineer misused the control chart
B. the process is out of control
C. the control limits are incorrect
D. the process is not out of control
Question #3
The team development stage characterized by expression of individual opinions and ideas often without regard for team objectives is known as:
A. performing
B. conflicting
C. storming
D. brainstorming
E. norming
Question #4
A principle disadvantage of fractional factorial experimental designs is:
A. higher confidence level
B. improved accuracy
C. reduced probability of type II errors
D. confounding of effects
E. reduced cost
Question #5
In comparison to a full-factorial design of experiment (DOE), a traditional, one-at-a-time approach will
A. save time
B. cost less
C. miss interactions
D. gain efficiencies
Solutions:
| Question #1 Correct Answer: D | Question #2 Correct Answer: A | Question #3 Correct Answer: C | Question #4 Correct Answer: D | Question #5 Correct Answer: C |
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