Professional qualificationsBuild on demand
Six Sigma Green Belt
Core Lean Six Sigma certification for leading improvement projects with DMAIC and statistical tools.
Courselo drafts the full syllabus, lessons and practice from the verified Six Sigma Green format in a few minutes.
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At a glance
- Set by
- ASQ / IASSC
- Level
- Intermediate professional certification
- Region
- Global
- Programme
- Lean Six Sigma Certification
- 2 versions
- ASQ Certified Six Sigma Green BeltIASSC Certified Lean Six Sigma Green Belt
The format, as published
- ASQ CSSGB: 110 questions (100 scored + 10 unscored) in 4 h 18 min computer-based at Prometric in monthly testing windows (4.5-hour appointment) or 100 questions in 4 hours on paper; open book; English (Mandarin paper in select locations).
- IASSC CGB: 100 multiple-choice and true/false questions (plus up to 10 unscored) in 3 hours, closed book, about 20 questions per DMAIC phase, minimum 70% to pass; Pearson VUE or PeopleCert online proctoring.
Summarised from official sources. Always confirm dates and rules with the exam board.Official information(opens in a new tab)