Lean Six Sigma Green Belt Prep

Get ready for the Lean Six Sigma Green Belt exam with 500 original practice questions you can study anytime, anywhere - completely offline.

Disclaimer: This is an unofficial, independent study app. It is not affiliated with, endorsed by, or sponsored by the International Association for Six Sigma Certification (IASSC), the American Society for Quality (ASQ), or any other certification or training organization. "Six Sigma" and "Lean Six Sigma" are trademarks of their respective owners. All questions are original and based on publicly available information about the exam objectives.

WHAT'S INSIDE

500 original questions organized into ten study areas that mirror the exam objectives:

- Six Sigma Fundamentals and the DMAIC Method

- Define Phase: Voice of the Customer and Project Charter

- Measure Phase: Process Mapping and Data Collection

- Measure Phase: Statistics, MSA, and Process Capability

- Analyze Phase: Patterns and Hypothesis Testing

- Analyze Phase: Relationships and Root Cause Analysis

- Improve Phase: Lean Tools and Waste Reduction

- Improve Phase: Design of Experiments and Solution Selection

- Control Phase: Statistical Process Control

- Control Phase: Control Plans and Sustaining the Gains

EXAM-STYLE QUESTIONS

Questions mirror the reasoning tested on the real exam, including scenario-based questions on defining a project with a charter and a SIPOC diagram, capturing the voice of the customer and critical-to-quality characteristics, building data collection plans and validating measurement systems with gage R&R, assessing process capability with Cp and Cpk, applying hypothesis tests such as t-tests, ANOVA, and chi-square, finding root causes with fishbone diagrams and the five whys, removing waste with Lean tools, designing experiments, and sustaining the gains with control charts and control plans, so you practice the way you will be tested.

MULTIPLE-CHOICE FORMAT

Every question uses a clean four-option format. Submit your answer to instantly see the correct choice and a clear explanation, so you learn as you go.

REVIEW MODE

Missed questions are collected automatically so you can focus on your weak spots and turn them into strengths.

BOOKMARKS

Save important or tricky questions to revisit later and build your own focused review set.

STUDY STATISTICS

Track accuracy by topic with simple charts, so you always know what needs more work before exam day.

100% OFFLINE & PRIVATE

No account, no login, and no in-app purchases. All content is bundled in the app and all progress is stored locally on your device. Nothing is sent to any server.

Buy once and study as much as you like. Good luck on your exam.