200+ Free CSSGB Practice Questions
Pass your Certified Six Sigma Green Belt exam on the first try — instant access, no signup required.
Choose Your Practice Session
Select how many questions you want to practice
Questions by Category
Key Facts: CSSGB Exam
110
Exam Questions
100 scored + 10 unscored
550/750
Passing Score (Scaled)
ASQ
4h 18m
Exam Duration
ASQ
$483-623
Exam Fee
ASQ member/non-member
~77%
Pass Rate
ASQ historical data
Lifetime
Certification Validity
No recertification
The CSSGB exam has 110 multiple-choice questions (100 scored + 10 unscored) in 4 hours 18 minutes with a passing score of 550/750 (scaled). Six domains: Overview/Organization (11%), Define (20%), Measure (20%), Analyze (18%), Improve (16%), and Control (15%). Requires 3 years of full-time work experience in Six Sigma BOK areas. Open-book exam with lifetime certification.
About the CSSGB Exam
The CSSGB (Certified Six Sigma Green Belt) exam validates competency in the DMAIC methodology, statistical analysis, process improvement, and quality control. The ASQ exam covers Six Sigma fundamentals, Define, Measure, Analyze, Improve, and Control phases with 100 scored questions plus 10 unscored.
Questions
110 scored questions
Time Limit
4 hours 18 minutes
Passing Score
550/750 (scaled)
Exam Fee
$483 (members) / $623 (non-members) (ASQ (American Society for Quality))
CSSGB Exam Content Outline
Overview: Six Sigma and the Organization
Six Sigma fundamentals, lean principles, design for Six Sigma (DFSS), organizational goals, team dynamics
Define Phase
Project charter, voice of customer, CTQ, SIPOC, process mapping, stakeholder analysis
Measure Phase
Process analysis, descriptive statistics, probability distributions, measurement systems analysis, process capability
Analyze Phase
Exploratory data analysis, hypothesis testing, correlation and regression, root cause analysis
Improve Phase
Design of experiments (DOE), FMEA, error proofing, continuous improvement
Control Phase
Statistical process control, control plans, SPC charts, total productive maintenance
How to Pass the CSSGB Exam
What You Need to Know
- Passing score: 550/750 (scaled)
- Exam length: 110 questions
- Time limit: 4 hours 18 minutes
- Exam fee: $483 (members) / $623 (non-members)
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
CSSGB Study Tips from Top Performers
Frequently Asked Questions
What is the CSSGB certification?
CSSGB (Certified Six Sigma Green Belt) is an ASQ certification that validates competency in the DMAIC methodology, statistical process improvement, and quality control. Green Belts typically work on improvement projects under Black Belt supervision.
How many questions are on the CSSGB exam?
The CSSGB exam has 110 multiple-choice questions (100 scored + 10 unscored) in 4 hours 18 minutes. The passing score is 550/750 on a scaled basis. The exam is open-book, allowing reference materials.
What are the prerequisites for the CSSGB exam?
ASQ requires 3 years of full-time, paid work experience in one or more areas of the Six Sigma Green Belt Body of Knowledge. No formal education requirement. Internships do not count toward experience.
Is the CSSGB exam open-book?
Yes, the ASQ CSSGB exam is open-book. You may bring reference materials and a calculator. Focus on knowing where to find key formulas and concepts quickly since the exam is time-limited.
How should I prepare for the CSSGB exam?
Plan for 80-120 hours of study over 6-12 weeks. Focus on Define (20%) and Measure (20%) — they are the two largest domains. Master process mapping, statistics, process capability, and measurement systems analysis.