IASSC ICGB Exam Details & Actual Exam Questions

  • Exam Code/Number: ICGB
  • Exam Name/Title: IASSC Certified Lean Six Sigma Green Belt
  • Certification Provider: IASSC
  • Corresponding Certification: Lean Six Sigma Green Belt
  • Exam Questions: 200
  • Updated On: Jun,25 2026
  • Certification Level: Professional

IASSC Certified Lean Six Sigma Green Belt Exam Questions

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IASSC ICGB Exam Overview:

Certification Vendor:IASSC (International Association for Six Sigma Certification)
Exam Name:IASSC Certified Lean Six Sigma Green Belt (ICGB)
Exam Number:ICGB
Related Certifications:IASSC Certified Lean Six Sigma Black Belt (ICBB)
IASSC Certified Lean Six Sigma Yellow Belt (ICYB)
Exam Price:USD 295 (approx., varies by region)
Passing Score:385/500 (approx. 77%)
Exam Format:Multiple choice
Real Exam Qty:100
Available Languages:English
Certificate Validity Period:Lifetime (no renewal required)
Exam Duration:180 minutes
Sample Questions:IASSC ICGB Sample Questions
Exam Way:Online proctored exam through IASSC testing partners or authorized platforms
Pre Condition:No formal prerequisites required; basic understanding of process improvement recommended
Official Syllabus URL:https://www.iassc.org

IASSC ICGB Exam Syllabus Topics:

SectionObjectives
Topic 1: Control Phase- Sustain improvement
  • 1. Monitoring performance metrics
    • 2. Control plans
      - Process control methods
      • 1. Standard operating procedures (SOPs)
        • 2. Control charts basics
          Topic 2: Analyze Phase- Data analysis tools
          • 1. Pareto analysis
            • 2. Hypothesis testing basics
              - Root cause analysis
              • 1. 5 Whys technique
                • 2. Cause and effect (Ishikawa) diagrams
                  Topic 3: Lean Six Sigma Fundamentals- Lean principles
                  • 1. Continuous improvement (Kaizen)
                    • 2. Value and waste identification
                      - Six Sigma principles and methodology
                      • 1. DMAIC framework overview
                        • 2. Process improvement concepts
                          Topic 4: Define Phase- Project definition and scope
                          • 1. Project charter development
                            • 2. Stakeholder identification
                              - Voice of the customer (VOC)
                              • 1. Critical to Quality (CTQ) identification
                                • 2. Customer requirements gathering
                                  Topic 5: Improve Phase- Solution development
                                  • 1. Pilot testing improvements
                                    • 2. Brainstorming techniques
                                      - Optimization tools
                                      • 1. Process redesign concepts
                                        • 2. Lean waste reduction techniques
                                          Topic 6: Measure Phase- Process measurement systems
                                          • 1. Data collection planning
                                            • 2. Measurement system analysis (MSA)
                                              - Process capability
                                              • 1. Basic statistical concepts
                                                • 2. Process baseline performance


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