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Lean Six Sigma Green Belt (LSSGB)

How to prepare for LSSGB

A 5-stage plan from your first study session to exam day. Adjust the pace to your own schedule.

Study plan

StageWhat to doTime
1Understand the certification scope
Read the IASSC overview and the article summary to know what the Green Belt covers and who it’s for.
Week 1
2Learn DMAIC fundamentals
Study the DMAIC phases, root‑cause analysis, and basic statistical tools mentioned in the article.
Week 2‑3
3Practice Lean tools
Get comfortable with process mapping, value‑stream mapping, and Lean fundamentals through simple exercises.
Week 4
4Apply concepts to a case study
Work through a small‑to‑medium project scenario, creating control charts and a basic control plan.
Week 5
5Mock exam and review
Take a practice test, identify gaps, and review the key topics again before the real exam.
Week 6

Exam domains

These come from the official exam outline.

  • DMAIC process
  • Root cause analysis
  • Statistical tools & basic analytics
  • Process mapping & VSM
  • Control charts
  • Lean fundamentals

LSSGB preparation questions

How many steps are in the LSSGB study plan?

This plan has 5 stages, starting with understand the certification scope and ending with mock exam and review.

Do I need prior experience for LSSGB?

LSSGB is rated Intermediate. Check the official exam page for any formal requirements before you start.

What should I study for LSSGB?

Focus on the official exam domains: DMAIC process, Root cause analysis, Statistical tools & basic analytics, Process mapping & VSM, Control charts, Lean fundamentals.

Exam outlines change between versions. Check the official exam page for the current outline before you start.