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ICGB Exam Questions & Answers

IASSC Certified Lean Six Sigma Green Belt  •  IASSC

200 Questions 240 min Updated Sep 2026 99% Pass Rate
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Sample ICGB Questions

Practice with real exam-style questions, each with the verified correct answer and explanation.

Q1 MultipleChoice

The FMEA is used to analyze potential source of defects in the process of interest and stands for ________________________.

Correct Answer: B
Q2 MultipleChoice

When looking at a distribution graph, the Mean is defined as the __________.

Correct Answer: A
Q3 MultipleChoice

Customers make a purchase decision based on a number of factors. In Lean Six Sigma we refer to these decision points as CTQ's which stands for __________.

Correct Answer: D
Q4 MultipleChoice

As part of a Visual Factory plan Kanban cards are created and utilized to identify areas in need of cleaning and organization.

Correct Answer: B
Q5 MultipleChoice

When two Inputs have an impact on the Output together yet seem to have no or little impact on their own this is called a/an ________________.

Correct Answer: A

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Frequently Asked Questions

The ICGB (IASSC Certified Lean Six Sigma Green Belt) is a professional certification that validates expertise in Lean Six Sigma methodologies and process improvement. It is offered by the International Association for Six Sigma Certification (IASSC), a globally recognized independent certifying body for Six Sigma professionals.

There are no formal educational or professional prerequisites required to sit for the ICGB exam. However, candidates are expected to have a solid understanding of Lean Six Sigma concepts, statistics, and process improvement principles, typically gained through formal training or practical experience.

The ICGB exam consists of 100 multiple-choice questions that must be completed within 3 hours. The exam covers various topics including Define, Measure, Analyze, Improve, and Control (DMAIC) phases, as well as Lean principles and statistical analysis.

Candidates must score at least 70% on the ICGB exam to pass and earn their certification. This means answering approximately 70 out of 100 questions correctly to achieve the passing threshold.

The ICGB exam typically costs between $395-$495 depending on the testing provider and location. The IASSC certification is valid for life with no renewal requirements, making it a permanent credential once achieved.
Exam Details
  • Exam CodeICGB
  • VendorIASSC
  • Total Questions200
  • Duration240 min
  • LanguageEnglish
  • Last UpdatedSep 5, 2026
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