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Lean Six Sigma Green Belt Exam Cram Sheet (2026)
The highest-yield points on the Lean Six Sigma Green Beltexam, grouped by the exam's real content areas. Print it, review the ones you keep missing, then drill them with free practice questions.
5content areas
Define
18% of the exam- Project charter and business case
- Voice of the Customer and CTQs
- SIPOC and scoping
Measure
22% of the exam- Defect metrics: DPU, DPO, DPMO
- Sigma level and yield
- Measurement System Analysis
Analyze
22% of the exam- Root-cause tools
- Hypothesis testing basics
- Correlation and regression
Improve
20% of the exam- Design of Experiments
- Lean flow and takt
- Error-proofing (poka-yoke)
Control and Lean Fundamentals
18% of the exam- Control charts and stability
- Process capability
- Lean waste and 5S
Now prove you know them
Reading the outline is not the same as recalling it under exam pressure. Drill 22+ free Lean Six Sigma Green Belt practice questions to find your weak areas, then sit a full timed mock — no signup, no paywall.
Study aid, not a substitute for the official material — always confirm the current rule with ASQ Six Sigma Green Belt (CSSGB) certification. Last verified: August 2026.