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Certification preparation helps you build confidence with focused study materials and practice tests before you book your official exam.
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Lean Six Sigma Black Belt Certification
The Council for Six Sigma Certification (CSSC) offers an official Lean Six Sigma Black Belt exam consisting of 150 open‑book questions to be completed in three hours.
Free preview
What you’ll learn
- Define Phase & Project Charter
- Measure Phase & Data Collection
- Analyze & Improve Phase
- Control Phase & Sustaining Gains
Practice tests
Exam-style questions with explanations and timed simulation.
Study guide
Download the guide included with this certification pack.
About this exam
The Council for Six Sigma Certification (CSSC) offers an official Lean Six Sigma Black Belt exam consisting of 150 open‑book questions to be completed in three hours. Candidates must achieve at least 420 points out of 600 (70%) to earn the CSSC‑CLSSBB designation.
6Practice tests
906Questions
180 minDuration
42%Passing score
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