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ASQ Six Sigma Green Belt (CSSGB) ® 2026

Last verified: June 2026

Download free on Android & iOS. Start with 3 free question sets and a complete study guide. Unlock premium for 500+ questions.

✓ Free Download ✓ Free Study Guide ✓ DMAIC for Practitioners
ASQ Certified Six Sigma Green Belt (CSSGB) (CSSGB) exam prep app with practice questions and study materials

⚡ Quick Facts
Quick Answer: The CSSGB (CSSGB) exam has 110 questions (100 scored), a 4 hours 18 minutes time limit, a 550 / 750 passing score, and costs $383 member / $483 non-member. It covers Define Phase, Measure Phase, Analyze Phase, Improve Phase. ExamCert has 500+ free practice questions, a full study guide, and a money-back guarantee.

95%
Pass Rate
8,000+
CSSGB Certified
4.8/5
Average Rating

CSSGB (CSSGB) Study Materials

The ASQ Certified Six Sigma Green Belt validates command of the DMAIC methodology and core statistical, lean, and quality tools used to drive measurable process improvement. It is one of the most widely recognized, vendor-neutral process-excellence credentials, and as a lifetime ASQ certification it offers durable value in 2026 across manufacturing, healthcare, finance, and tech operations.

500+ CSSGB Questions

Scenario-based questions covering Define Phase, Measure Phase, Analyze Phase, Improve Phase, Control Phase, Six Sigma & the Organization

Detailed Explanations

Every answer explained so you understand the why behind Define Phase, Measure Phase, Analyze Phase and more

Weekly Updates

New questions added weekly, aligned to the current CSSGB exam objectives

How to Prepare for CSSGB

Follow our proven study strategy used by thousands of successful candidates

What's Included

  • 500+ exam-style practice questions
  • 10 complete practice sets
  • Free comprehensive study guide
  • Detailed explanations for every question
  • Weekly question updates
  • Progress tracking & weak area analysis

Study Tips from Top Scorers

  • 1.Score 85%+ consistently on practice tests before booking your exam
  • 2.Review explanations for BOTH correct and wrong answers
  • 3.Use the Study Guide for quick revision 2-3 days before exam day
  • 4.Focus extra time on domains where your scores are lowest
  • 5.Take timed practice sets to build exam-day stamina

CSSGB (CSSGB) Exam Domains

110 questions (100 scored) in 4 hours 18 minutes. Passing score: 550 / 750. Exam fee: $383 member / $483 non-member. Format: Multiple choice (open reference).

20%

Define Phase

Project identification, voice of the customer, project management basics, and management and planning tools.

20%

Measure Phase

Process analysis, probability and statistics, data collection, measurement system analysis, and process capability.

18%

Analyze Phase

Exploratory data analysis, correlation and regression, hypothesis testing, and root-cause analysis.

16%

Improve Phase

Design of experiments (DOE), root-cause follow-through, and lean tools to implement and verify improvements.

15%

Control Phase

Statistical process control (SPC), control plans, lean tools for control, and sustaining the gains.

11%

Six Sigma & the Organization

Six Sigma fundamentals, organization-wide deployment, lean enterprise value, and project selection.

WHY CSSGB

Why CSSGB?

The ASQ Certified Six Sigma Green Belt validates command of the DMAIC methodology and core statistical, lean, and quality tools used to drive measurable process improvement. A respected ASQ credential for Process Improvement Specialist, Quality Engineer, Continuous Improvement Analyst.

Free vs Premium CSSGB (CSSGB) Practice Questions

FREE FOREVER

Free Download

  • 3 full question sets (100+ questions)
  • Complete CSSGB study guide
  • CSSGB objectives reference
  • Progress tracking
Premium

Unlock Everything

  • All 500+ practice questions
  • Exam Guide
  • Weekly updates
  • 100% refund guarantee

Who Is the CSSGB Exam For?

Target Audience

For professionals who support or lead smaller-scope process-improvement projects and serve as team members under a Black Belt — process engineers, analysts, quality staff, and operations team members applying DMAIC part-time.

Recommended Prerequisites

  • Three years of full-time paid work experience in one or more areas of the CSSGB Body of Knowledge
  • No completed project or affidavit required (unlike the Black Belt)
  • No educational waivers toward the experience requirement

Official Exam Details

Exam Code
CSSGB
Level
Professional
Duration
4 hours 18 minutes
Questions
110 questions (100 scored)
Passing Score
550 / 750
Exam Fee
$383 member / $483 non-member

Format: Multiple choice (open reference)

People Also Ask About CSSGB

Quick answers to the most common questions

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What Our Users Say About CSSGB

★★★★★4.8/5 from 8,000+ users

"The Define Phase questions were exactly like the real CSSGB exam. Passed on my first attempt!"

TC
Thomas Clarke
Process Improvement Specialist · Verified User

"Measure Phase and Analyze Phase questions were spot-on, and the clear explanations made the tough topics click."

BO
Ben Olsen
Quality Engineer · Verified User

"The realistic scenarios helped me master Define Phase fast. Comprehensive and fully up to date for 2026."

RB
Ryan Bennett
Continuous Improvement Analyst · Verified User

"The Six Sigma & the Organization questions filled the gaps in my knowledge. I scored well above the passing mark."

ML
Mei Lin
Operations Analyst · Verified User

"Analyze Phase questions felt realistic. The practice sets cover every CSSGB objective thoroughly."

FA
Fatima Ali
Process Improvement Specialist · Verified User

"Best CSSGB prep app I found. Weekly updates kept everything aligned with the latest exam objectives."

HN
Hana Nakamura
Quality Engineer · Verified User

Download CSSGB Practice App

Available on Android & iOS

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CSSGB 2026

FREE
  • 3 Free Question Sets
  • Free Study Guide
  • CSSGB Objectives Reference
  • Progress Tracking

100% refund if you fail first attempt

CSSGB Exam FAQ

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Free study guide. Free first 3 question sets. Premium only $4.99.

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Ready to lead projects? Try Black Belt | Project management? Try CAPM

Six Sigma Belt Path

Your journey in process improvement

Yellow BeltGreen Belt (CSSGB)Black Belt (CSSBB)