Download the certification brochure (Spanish): Click here

Exam Details

• Exam Name: Lean Six Sigma White Belt (LWCA)
• Exam Format: Multiple choice, online with remote supervision (proctoring)
• Exam Delivery: Safe Exam Browser
• Number of Questions: 60 questions: 60% conceptual / 40% applied scenarios
• Exam Duration: 75 minutes
• Passing Score: 70% (42 out of 60 correct answers)
• Available Languages: Spanish
• Attempts: Maximum 2 attempts (minimum 15 days between attempts)
• Validity: 3 years · 10 CPD credits per year

Main Subjects

• Lean and continuous improvement fundamentals (20%): The five Lean principles; The eight DOWNTIME wastes; 5S and Kaizen.
• Introduction to Six Sigma and Belt roles (15%): Sigma scale; Belt role system; COPQ and Project Charter.
• The DMAIC cycle (20%): Define; Measure and analyze; Improve and control.
• Basic quality tools (25%): Pareto and Ishikawa; Histogram and scatter plot; Control chart.
• Statistical fundamentals of variability (12%): Descriptive measures; Normal distribution; Sigma level and Cp/Cpk.
• The White Belt role and Lean Six Sigma culture (8%): The White Belt as a change agent; Improvement culture.

Who is this certification for?

• Operators, technicians and supervisors: Who take part in DMAIC projects.
• Service and administration professionals: Who reduce waste in their area.
• Students and recent graduates: Who are starting the Belt path.

Prerequisites

No mandatory prerequisites: no prior experience, training or certification is required. Registration is direct with CertJoin or through an authorized partner. Recommended: interest in process improvement (no prior experience needed). Next levels: Lean Six Sigma Yellow Belt (LSYB), Green Belt (LSSGB) and Black Belt (LSSBB).