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Exam Details

• Exam Name: Lean Six Sigma Green Belt Certified (LSSGB)
• Exam Format: Multiple choice, online with remote supervision (proctoring)
• Exam Delivery: Safe Exam Browser
• Number of Questions: 50 questions: 70% practical cases / 30% conceptual
• Exam Duration: 90 minutes
• Passing Score: 70% (35 out of 50 correct answers)
• Available Languages: Spanish / English
• Attempts: Maximum 2 attempts (minimum 14 days between attempts)
• Validity: 3 years · 15 CPD credits per year

Main Subjects

• Lean Six Sigma fundamentals and the Define phase (20%): Lean philosophy and Six Sigma principles; Problem Statement and Goal Statement; Voice of the Customer and the Kano Model; SIPOC and Project Charter; Cost of poor quality (COPQ).
• Measure phase: measurement and analysis (20%): Data collection plan and sampling; Measurement system analysis and Gage R&R; OEE; Process capability: Cp, Cpk and sigma level; Common and special causes.
• Analyze phase: statistical tools (25%): Ishikawa, Pareto and FMEA; Value Stream Mapping and Takt Time; Hypothesis testing and the t-test; Regression, correlation, box plots and histograms; Root cause verification.
• Improve phase: Lean tools (20%): 5S, SMED and TPM; Visual management and Poka-Yoke; SCAMPER and brainstorming; Pilot tests; Cost-benefit and ROI of solutions.
• Control phase: standardization and sustainability (15%): Statistical process control and control charts; Standardized processes; Control plan; Knowledge transfer and project closure.

Who is this certification for?

• Quality and continuous improvement professionals: Responsible for implementing improvement methodologies in operational processes.
• Process engineers: Who seek statistical and Lean tools to optimize production.
• Team leads and supervisors: Who need to run moderately complex improvement projects.
• Operations and production professionals: Who want to reduce waste and variability.
• Continuous improvement consultants: Who need formal certification of their Lean Six Sigma skills.

Prerequisites

Mandatory: Lean Six Sigma White Belt (LWCA) and Lean Six Sigma Yellow Belt (LSYB). The path continues to Lean Six Sigma Black Belt (LSSBB).