CSSGB
ASQ Certified Six Sigma Green Belt (CSSGB)
The ASQ Certified Six Sigma Green Belt (CSSGB) certifies professionals to participate in and lead Six Sigma DMAIC improvement projects under Black Belt mentorship. It covers the core DMAIC methodology, fundamental statistical tools, process capability analysis, and basic quality management — for team members who support Black Belt projects or lead smaller-scope improvement efforts within their work area.
CSSGB Exam Overview
| Detail | Information |
|---|---|
| Full Name | ASQ Certified Six Sigma Green Belt (CSSGB) |
| Governing Body | ASQ |
| Number of Questions | 110 |
| Time Limit | 4 hours |
| Passing Score | Not disclosed (scaled scoring) |
| Exam Fee | $338 (ASQ members) / $438 (non-members) |
| Category | Professional Certifications |
| C3RT App Available On | iPhone, iPad, and Mac |
| Official Source | ASQ official website ↗ |
CSSGB Content Areas and Domains
| Domain / Content Area | Exam Weight |
|---|---|
| Overview — Six Sigma and the Organization | 12% |
| Define Phase | 11% |
| Measure Phase | 25% |
| Analyze Phase | 20% |
| Improve Phase | 22% |
| Control Phase | 10% |
Domain weights are approximate and based on the ASQ content outline. Always verify at the official source before your exam.
Topics Covered
- ✓ Overview & Leadership — Six Sigma overview, quality management principles, team dynamics, project management basics
- ✓ Define Phase — project charter, customer requirements (VOC, CTQ), process mapping (SIPOC, swimlane)
- ✓ Measure Phase — data collection, measurement scales, process capability basics (Cp, Cpk), Pareto analysis
- ✓ Analyze Phase — basic hypothesis testing, correlation, root cause analysis (fishbone, 5 Whys, fault tree)
- ✓ Improve Phase — solution generation (brainstorming, affinity diagram), piloting, implementation planning
- ✓ Control Phase — control charts basics (X-bar, R charts, p-chart), control plans, standard work
How C3RT Helps You Pass the CSSGB
Adaptive Practice
Questions adapt to your weak areas automatically so every study session on the CSSGB is time well spent.
Diagnostic Mocks
Full-length mock exams timed to the real CSSGB format with detailed score breakdowns by topic.
Mistake Bank
Every wrong answer is saved for targeted re-drill. The system resurfaces your mistakes until they stick.
Native on iOS & Mac
Built with SwiftUI, not a web wrapper. Instant load, offline support, hardware-speed rendering.
CSSGB Frequently Asked Questions
What does CSSGB stand for?
CSSGB stands for ASQ Certified Six Sigma Green Belt (CSSGB). It is administered by ASQ.
Who administers the CSSGB?
The ASQ Certified Six Sigma Green Belt (CSSGB) (CSSGB) is administered by ASQ. For official information, visit the ASQ website.
How many questions is the CSSGB?
The CSSGB consists of 110 questions. Candidates are given 4 hours to complete the exam.
What is the passing score for the CSSGB?
The passing score for the CSSGB is Not disclosed (scaled scoring), as set by ASQ. Scoring methodology and passing standards may be updated periodically. Always verify current requirements with the governing body.
How much does the CSSGB exam cost?
The CSSGB exam fee is $338 (ASQ members) / $438 (non-members). This fee is set by ASQ and may vary by testing centre, region, or membership status. Additional fees for registration or rescheduling may apply.
What is the difference between CSSGB and CSSBB?
CSSGB covers the DMAIC methodology at a foundational level with basic statistical tools. CSSBB tests all CSSGB content plus advanced topics: Design of Experiments (DOE), advanced hypothesis testing (ANOVA, regression), measurement system analysis (Gage R&R), Design for Six Sigma (DMADV), and organizational deployment. BBs lead projects; GBs support BBs or lead smaller projects.
What experience is required for CSSGB?
CSSGB requires 3 years of work experience in one or more areas of the CSSGB Body of Knowledge. No Six Sigma project completion is required for CSSGB (unlike CSSBB). The exam is open to anyone with relevant work experience, making it more accessible than the Black Belt credential for early-career professionals in operations, quality, or manufacturing roles.
What is process capability and how is it measured?
Process capability measures how well a process meets customer specifications. Key indices: Cp = (USL-LSL)/(6σ) measures potential capability ignoring centering. Cpk = min[(USL-mean)/3σ, (mean-LSL)/3σ] measures actual capability accounting for centering. A Cpk of 1.0 means ±3σ performance (0.27% defects). A Cpk of 1.33 (Four Sigma) is the common target; 2.0 (Six Sigma) is the DPMO target.
Is CSSGB a good stepping stone toward CSSBB?
Yes — CSSGB is often the natural first step toward CSSBB. You build foundational DMAIC knowledge and statistics, then deepen those skills toward the Black Belt. Some organizations require employees to complete Green Belt projects before pursuing Black Belt training. Many professionals earn CSSGB, complete 1–2 projects to gain experience, then pursue CSSBB.
How difficult is the ASQ CSSGB exam?
The ASQ CSSGB (Certified Six Sigma Green Belt) is considered moderately difficult. Pass rates are estimated in the 55–70% range. The exam covers DMAIC methodology, basic statistical tools, process control, and lean concepts at an intermediate level.
What are the eligibility requirements for the CSSGB?
You need three years of full-time paid work experience in one or more areas of the Six Sigma Body of Knowledge. No specific project completion is required, unlike the Black Belt, making it more accessible for those earlier in their quality improvement journey.
How long should I prepare for the CSSGB exam?
Eight to twelve weeks of focused preparation is typical. The ASQ CSSGB Body of Knowledge, along with a study guide covering statistical methods, control charts, and DMAIC tools, forms the core of a solid preparation plan.
What is the career value of the CSSGB?
Green Belt certification is valued in manufacturing, healthcare, financial services, and operations roles. It qualifies holders to lead small-to-medium improvement projects and support Black Belt-led initiatives. Certified Green Belts typically earn more than uncertified quality or operations professionals.
What is the CSSGB retake policy?
Candidates can reapply and pay to retake the exam after a failure. ASQ provides score reports by section to guide targeted remediation. Check with ASQ for current waiting period policies.
How long does CSSGB certification last?
ASQ recertification is required every three years via 18 recertification units (RUs).
How does the CSSGB compare to the CSSBB?
The Green Belt is an intermediate credential focused on supporting and leading smaller improvement projects within the DMAIC framework. The Black Belt is the advanced credential requiring demonstrated project leadership at a more complex level and with specific project completion evidence. The Green Belt is often a career step toward eventually pursuing the Black Belt.
C3RT is a native iOS and macOS exam preparation platform covering the ASQ Certified Six Sigma Green Belt (CSSGB) (CSSGB), a Professional Certifications certification, administered by ASQ. C3RT is not affiliated with or endorsed by ASQ. Certification names and trademarks are the property of their respective organisations. For official exam registration, eligibility requirements, and content outlines, visit the ASQ official website ↗ .