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IASSC ICGB Exam Overview:
| Certification Vendor: | IASSC (International Association for Six Sigma Certification) |
|---|---|
| Exam Name: | IASSC Certified Lean Six Sigma Green Belt (ICGB) |
| Exam Number: | ICGB |
| Passing Score: | 385/500 (approx. 77%) |
| Real Exam Qty: | 100 |
| Related Certifications: | IASSC Certified Lean Six Sigma Yellow Belt (ICYB) IASSC Certified Lean Six Sigma Black Belt (ICBB) |
| Certificate Validity Period: | Lifetime (no renewal required) |
| Available Languages: | English |
| Exam Duration: | 180 minutes |
| Exam Price: | USD 295 (approx., varies by region) |
| Exam Format: | Multiple choice |
| Sample Questions: |  |
| Exam Way: | Online proctored exam through IASSC testing partners or authorized platforms |
| Pre Condition: | No formal prerequisites required; basic understanding of process improvement recommended |
| Official Syllabus URL: | https://www.iassc.org |
IASSC ICGB Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Lean Six Sigma Fundamentals | - Lean principles
|
| Control Phase | - Process control methods
|
| Define Phase | - Project definition and scope
|
| Improve Phase | - Solution development
|
| Analyze Phase | - Root cause analysis
|
| Measure Phase | - Process measurement systems
|
Answers Every ICGB Candidate Should Read First
The IASSC Certified Lean Six Sigma Green Belt exam is the official IASSC (International Association for Six Sigma Certification) test registered under exam code ICGB. Passing it earns you the Lean Six Sigma Green Belt certification, a credential at the Professional level. It is also linked to the related certifications: IASSC Certified Lean Six Sigma Black Belt (ICBB), IASSC Certified Lean Six Sigma Yellow Belt (ICYB). IASSC (International Association for Six Sigma Certification) exams are valued because they test job-ready skills, so a passing score here carries real weight on a resume.
The IASSC Certified Lean Six Sigma Green Belt exam includes 100 questions to be completed within 180 minutes. Do the pacing math before exam day: with that many items on the clock, you need a steady rhythm and the discipline to flag a hard question and move on instead of stalling. Two or three full timed sessions with the ActualCollection test engine will show you exactly what that pace feels like, so time pressure stops being a factor on the real day.
To pass the IASSC Certified Lean Six Sigma Green Belt exam you need 385/500 (approx. 77%), and the official registration fee is USD 295 (approx., varies by region). A retake is not discounted: a failed attempt means paying the full USD 295 (approx., varies by region) again, so treat your first sitting as the expensive one. A sensible rule is to book your seat only after you are scoring comfortably above the passing mark on the ActualCollection practice tests, not just squeaking past it once.
No formal prerequisites required; basic understanding of process improvement recommended
Eligibility rules do change from time to time, so confirm the current requirements before you register on the official exam page.
Yes. ActualCollection offers a free PDF demo of the IASSC Certified Lean Six Sigma Green Belt material so you can judge the question quality and format before spending anything. After purchase, your license includes 365 days of free updates, and if you want to keep receiving updates after that period, renewals are available at a 50% discount.
If you take the IASSC Certified Lean Six Sigma Green Belt exam within 60 days of your purchase and do not pass, ActualCollection backs you with a 100% money-back guarantee. The claim must match the exam your product covers: attempts taken within 3 days of purchase are not eligible (that is too little preparation time), and neither are downloaded-but-unused products, free materials, or expired orders. The candidate name must match the payer name, and you need to submit a scanned enrollment slip plus the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Prefer not to refund? You can swap instead and receive two other exam products of equal value for free while keeping the update service on your original purchase.
Delivery itself is instant: your files are downloadable right away and emailed to you within one minute of payment. If nothing arrives within 2 hours, contact customer service. There is no limit on how many computers you may install the software on.
The official IASSC Certified Lean Six Sigma Green Belt syllabus is organized into 6 domains. Key areas include Measure Phase, Analyze Phase, and Improve Phase. The complete, up-to-date topic list appears in the exam topics section above; work through it line by line and flag anything you cannot yet explain in your own words.
IASSC Certified Lean Six Sigma Green Belt Sample Questions:
If a process has Outliers which pair of charts is most preferable if subgroups will exist for the Continuous Data?
- A. Individual-Moving Range
- B. Xbar-S Charts
- C. Xbar-R Charts
- D. nP and P Charts
Standardized work instructions apply to which resource in the process of interest?
- A. Engineering
- B. Supervision
- C. People
- D. Machines
Which of these statements describe an undesirable situation when implementing SPC? (Note: There are 2 correct answers).
- A. A process is in Statistical Control before implementation of SPC
- B. The Control Limits are wider than the customer specification limits
- C. Indication of the specification limits on the Control Chart
- D. The lower Control Limit for the R chart is equal to zero
- E. Attempt to use SPC for tracking transaction times at a warehouse
Inferential Statistics is largely about Significance. There are both Practical and _______________ Significance to consider during an analysis of data in a Lean Six Sigma project.
- A. Usable
- B. Impractical
- C. Problematic
- D. Statistical
When analyzing a data set we frequently graph one metric as a function of another. If the slope of the Correlation line is -2.5 we would say the two metrics are ___________ correlated?
- A. None
- B. Positively
- C. Not
- D. Negatively
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