Download the certification brochure (Spanish): Click here

Exam Details

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

Main Subjects

• Fundamentals, project leadership and the Define phase (12%): Integrating Lean and Six Sigma; The Black Belt role versus Green Belt and Master Black Belt; Project charter and business case; VOC, CTQ and SIPOC; Selecting high-impact projects; Scrum Fundamentals: values, roles, events and artifacts integrated with DMAIC.
• Measure phase: data, measurement and capability (18%): Data collection plan and sample size; Measurement system R&R analysis; DPMO, sigma level and yield; Normality and Cp, Cpk, Pp, Ppk; Descriptive statistics and charts.
• Analyze phase: inferential statistics (22%): Ishikawa, 5 Whys and Pareto; Hypotheses, type I and type II errors; t, ANOVA, chi-square and proportions; p-value and confidence intervals; Simple and multiple regression; Root cause validation.
• Improve phase: DOE, Lean and solutions (20%): Design of experiments: factors and levels; Full and fractional factorials; VSM, 5S, kanban, SMED and poka-yoke; FMEA and risk priority number; Pilot and cost-benefit analysis.
• Control phase: statistical control (14%): X-R, I-MR, p, np, c and u charts; Common and special causes; Control plan and reaction plan; Standardization and handover; Benefit verification and closure.
• Change management, teams and ethics (14%): Stakeholder matrix; Team lifecycle and conflict; Resistance to change and communication; Mentoring Green Belts; CertJoin Code of Ethics.

Who is this certification for?

• Continuous improvement and operational excellence leaders: Who need a rigorous method to solve complex process problems.
• Quality, process and manufacturing engineers: Who want to deepen their knowledge of applied statistics and design of experiments.
• Operations and services professionals: Who seek to reduce costs, lead times and defects with measurable results.
• Green Belts with project experience: Who want to take the next step toward leading complex projects.
• Improvement project consultants and managers: Who need a recognized Lean Six Sigma leadership certification.

Prerequisites

Mandatory: Lean Six Sigma White Belt (LWCA), Lean Six Sigma Yellow Belt (LSYB) and Lean Six Sigma Green Belt Certified (LSSGB). Black Belt is the highest level of the CertJoin Lean Six Sigma path.