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CLSSBB-001 Exam Questions & Answers

Certified Lean Six Sigma Black Belt  •  GAQM

300 Questions Updated Sep 2026 99% Pass Rate
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Sample CLSSBB-001 Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

Data that can be measured on a continuum and has meaningful decimal subdivisions are __________ data.

Correct Answer: A
Q2 MultipleChoice

At the very initiation of a project a Belt must develop a concise _______________ that states at a high level the area of concern and why it is important this issue be improved.

Correct Answer: C
Q3 MultipleChoice

The relationship between a response variable and one or more independent variables is investigated and modeled by use of which of these?

Correct Answer: D
Q4 MultipleChoice

Cost of Poor Quality (COPQ) can be classified as Visible Costs and Hidden Costs. All these items are Hidden Cost except __________________.

Correct Answer: B
Q5 MultipleChoice

A Belt working in a supply chain environment has to make a decision to change suppliers of critical raw materials for a new product upgrade. The purchasing manager is depending on the Belt's effort requiring that the average cost of an internal critical raw material component be less than or equal to $4,200 in order to stay within budget. Using a sample of 35 first article components, a Mean of the new product upgrade price of $4,060, and a Standard Deviation of $98 was estimated. The Alternative Hypothesis in the above example is?

Correct Answer: E

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Frequently Asked Questions

Candidates typically need to have a basic understanding of Lean and Six Sigma methodologies and preferably some professional experience in process improvement. Most organizations recommend completing a Black Belt training course before attempting the certification exam.

The exam duration is generally 3-4 hours, though specific timing may vary depending on the testing center and delivery method. Candidates should plan adequate time to complete all questions without rushing.

The exam covers advanced Lean Six Sigma concepts including DMAIC methodology, statistical analysis, process improvement tools, project management, and leadership principles. It tests both theoretical knowledge and practical application of Black Belt competencies.

The CLSSBB-001 is typically a closed-book exam, meaning candidates cannot reference materials during the test. However, candidates are usually permitted to use a calculator for statistical calculations.

The exam is typically scored on a scaled basis, with a passing score requirement of around 70% or higher, though the exact threshold may vary. Candidates receive a detailed score report indicating their performance in different knowledge domains.
Exam Details
  • Exam CodeCLSSBB-001
  • VendorGAQM
  • Total Questions300
  • LanguageEnglish
  • Last UpdatedSep 3, 2026
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