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Buy only the course level you need.

Each purchase unlocks the study-guide lessons approved for that belt level, including the shared prerequisites required to understand the advanced material, for three months.

White Belt
$49.993 months of access

Six Sigma language, customer focus, process thinking, variation, roles, and improvement fundamentals.

  • 6 study guides included (through White Belt)
  • Definitions, diagrams, and worked examples
  • Eligible quizzes and practice tests
  • Detailed answer explanations
Yellow Belt
$59.993 months of access

Team participation, process definition, data collection, Lean tools, and practical DMAIC support.

  • 8 study guides included (through Yellow Belt)
  • Definitions, diagrams, and worked examples
  • Eligible quizzes and practice tests
  • Detailed answer explanations
Green Belt
$69.993 months of access

Complete DMAIC project work, measurement, statistics, root-cause analysis, improvement, and control.

  • 14 study guides included (through Green Belt)
  • Definitions, diagrams, and worked examples
  • Eligible quizzes and practice tests
  • Detailed answer explanations
Black Belt
$89.993 months of access

Advanced analysis, project leadership, financial value, experiments, Lean systems, and robust design.

  • 21 study guides included (through Black Belt)
  • Definitions, diagrams, and worked examples
  • Eligible quizzes and practice tests
  • Detailed answer explanations
Master Black Belt
$99.993 months of access

Enterprise deployment, portfolio governance, coaching, training systems, advanced analytics, and strategy.

  • 28 study guides included (the complete curriculum)
  • Definitions, diagrams, and worked examples
  • Eligible quizzes and practice tests
  • Detailed answer explanations
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Review one lesson from each belt, answer 10 quiz questions, and complete a 20-question practice test before selecting a paid course.

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