Introduction of Six Sigma ICGB Exam!

The ICGB (International Certification in Lean Six Sigma Green Belt) is an industry-recognized certification designed to recognize professionals with a basic understanding of Lean Six Sigma and its implementation. The exam is based on the American Society for Quality (ASQ) Body of Knowledge. It tests one's knowledge of Lean Six Sigma tools and processes, team management, process improvement, and quality management.

What is the Duration of Six Sigma ICGB Exam?

The duration of the Six Sigma ICGB exam is 3 hours.

What are the Number of Questions Asked in Six Sigma ICGB Exam?

There are 120 questions in the Six Sigma ICGB exam.

What is the Passing Score for Six Sigma ICGB Exam?

The passing score for the IASSC Certified Six Sigma Green Belt (ICGB) exam is a minimum of 70%.

What is the Competency Level required for Six Sigma ICGB Exam?

The International Council for Six Sigma Certification (ICSSC) requires that candidates for the ICGB exam have a minimum of two years of full-time experience in a Six Sigma-related role. The ICSSC also recommends that candidates have a working knowledge of the Six Sigma methodology, including the DMAIC framework, Lean and other Six Sigma tools.

What is the Question Format of Six Sigma ICGB Exam?

The Six Sigma ICGB Exam consists of multiple-choice questions.

How Can You Take Six Sigma ICGB Exam?

The International Council for Six Sigma Certification (ICSSC) offers the Six Sigma ICGB exam both online and in testing centers. The online version of the exam is administered through the ICSSC’s online testing platform and is available to anyone who meets the eligibility requirements. The testing center version of the exam is administered through Pearson VUE, a global leader in computer-based testing. To take the exam at a testing center, you must first register with Pearson VUE and then schedule an appointment.

What Language Six Sigma ICGB Exam is Offered?

The Six Sigma ICGB exam is offered in English.

What is the Cost of Six Sigma ICGB Exam?

The cost of the ICGB exam is $495 USD.

What is the Target Audience of Six Sigma ICGB Exam?

The target audience for the Six Sigma ICGB exam includes individuals who are interested in becoming certified in the Six Sigma methodology and who have a basic understanding of the principles and practices of Lean Six Sigma. This includes professionals who are looking to improve their skills in the areas of process improvement, quality management, and project management.

What is the Average Salary of Six Sigma ICGB Certified in the Market?

The average salary of IASSC Certified Lean Six Sigma Green Belt certified professionals varies widely by role, region, and experience, because it depends on the job the certification is combined with. Check current listings in your market for an up-to-date figure.

Who are the Testing Providers of Six Sigma ICGB Exam?

The International Association for Six Sigma Certification (IASSC) is the only organization that is authorized to provide testing for the Six Sigma ICGB exam.

What is the Recommended Experience for Six Sigma ICGB Exam?

The recommended experience for the Six Sigma ICGB exam is a minimum of three years of work experience in one or more areas of the Six Sigma Body of Knowledge, including at least one year of experience in a leadership role. Candidates should also have a thorough understanding of the DMAIC and Lean Six Sigma methodologies, as well as a working knowledge of the tools and techniques associated with the Six Sigma process.

What is the Expected Retirement Date of Six Sigma ICGB Exam?

The Six Sigma ICGB exam is the current version of the IASSC Certified Lean Six Sigma Green Belt exam, and Six Sigma has not announced a retirement date for it. When Six Sigma introduces a newer version, the retirement date for the older version is published on the Six Sigma certification site.

What is the Difficulty Level of Six Sigma ICGB Exam?

The difficulty level of the Six Sigma ICGB exam is considered to be moderate. The exam consists of 100 multiple-choice questions and you have a total of 3 hours to complete it.

What is the Roadmap / Track of Six Sigma ICGB Exam?

1. Become familiar with the Six Sigma principles and methodology. 2. Obtain a Six Sigma Green Belt certification. 3. Take the International Council for Six Sigma Certification (ICSSC) ICGB exam. 4. Pass the ICGB exam with a score of 70% or higher. 5. Receive your official ICGB certification. 6. Maintain your certification by completing continuing education requirements.

What are the Topics Six Sigma ICGB Exam Covers?

The topics covered by the Six Sigma ICGB exam include: 1. Define Phase: This phase involves understanding the customer’s needs and defining the project scope. It also includes developing a project plan and setting the performance metrics. 2. Measure Phase: This phase involves collecting data and analyzing it to determine the current performance level. 3. Analyze Phase: This phase involves using data analysis techniques to identify the root cause of any problems. 4. Improve Phase: This phase involves implementing solutions to improve the process. 5. Control Phase: This phase involves establishing control systems to ensure that the process remains at the desired level of performance. 6. Lean Principles: This topic covers the principles of Lean, which are used to reduce waste and improve efficiency. 7. Project Management: This topic covers the fundamentals of project management, including planning, scheduling, and resource management. 8. Quality Tools: This topic covers

What are the Sample Questions of Six Sigma ICGB Exam?

1. What is the purpose of the Define phase in Six Sigma? 2. What is the main goal of the Measure phase in Six Sigma? 3. What are the five core elements of a Six Sigma project? 4. What is the difference between a process map and a value stream map? 5. How can the Six Sigma DMAIC process be used to improve a process? 6. What is the purpose of a control plan in Six Sigma? 7. How can statistical process control (SPC) be used to improve a process? 8. What is the difference between a control chart and a histogram? 9. What are the main components of a Six Sigma project charter? 10. What is the purpose of the Analyze phase in Six Sigma?

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Free ICGB – IASSC Certified Lean Six Sigma Green Belt Practice Test Question

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Showing 1–10 of 10 questions

Question 1

Multiple Linear Regressions (MLR) is best used when which of these are applicable? (Note: There are 3 correct answers).

Select all that apply, then click Submit answer.

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Non-linear relationships between the inputs X’s and output Y
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Uncertainty in the slope of the linear relationship between an X and a Y
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Relationships between Y (output) and more than one X (Input)
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Preventing the use of a Designed Experiment if unnecessary
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We assume that the X’s are independent of each other

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Question 2

Which statement(s) are correct for the Regression Analysis shown here? (Note: There are 2 correct answers).

Select all that apply, then click Submit answer.

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This Regression is an example of a Multiple Linear Regression.
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This Regression is an example of Cubic Regression.
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%Cu explains the majority of the process variance in heat flux.
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Thickness explains over 80% of the process variance in heat flux.
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The number of Residuals in this Regression Analysis is 26.

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Question 3

Examples of a Visual Factory include which of these? (Note: There are 2 correct answers).

Select all that apply, then click Submit answer.

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White outlines on floor for proper inventory placement
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Documented procedures with a numerical outline
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Bad/Good indications of gauge readings with red and green outlines
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Implementing a defect inspection device

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Question 4

Which statement(s) are true about the Fitted Line Plot shown here? (Note: There are 2 correct answers).

Select all that apply, then click Submit answer.

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When Reactant increases, the Energy Consumed increases.
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The slope of the equation is a positive 130.5.
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The predicted output Y is close to -18 when the Reactant level is set to 6.
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Over 85 % of the variation of the Energy Consumed is explained by the Reactant via this Linear Regression.

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Question 5

Significant variation in process performance is a consequence of several causes that can be classified using which of the terminologies shown. (Note: There are 2 correct answers).

Select all that apply, then click Submit answer.

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Common
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Random
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Uneducated
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Special
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Vital

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Question 6

Long-term Data represents all the variation that one can expect within the subject process.

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True
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False

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Question 7

A periodic time frame can be used to arrange for Control Limit and Center Line calculations with good SPC implementation in a process.

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True
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False

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Question 8

What is the Cycle Time, in minutes, for a process having a Throughput of 360 units per hour?

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0.167
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0.333
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0.667
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1.333

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Question 9

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

Select an option, then click Submit answer.

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Kanban
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Kaizen
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Poke-Yoke
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WhoSai

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Question 10

A 1-Sample t-test is used when you want to compare the Median of one distribution to a target value.

Select an option, then click Submit answer.

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True
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False

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About the ICGB Free Practice Test

This page holds a free practice test for the IASSC Certified Lean Six Sigma Green Belt (ICGB) certification from Six Sigma. The 10 questions come free from the full 143-question Study4Pass practice set — a quick, honest check of where you stand. The free sample includes 5 single-answer and 5 multiple-answer questions — the same mix of formats you will meet in the full set. The set follows the real exam’s spread of topics: Define Phase, Measure Phase, Analyze Phase and Improve Phase. The ICGB (International Certification in Lean Six Sigma Green Belt) is an industry-recognized certification designed to recognize professionals with a basic understanding of Lean Six Sigma and its implementation.

The target audience for the Six Sigma ICGB exam includes individuals who are interested in becoming certified in the Six Sigma methodology and who have a basic understanding of the… The prerequisite for the Six Sigma ICGB exam is that you must have completed a Six Sigma Green Belt certification program.

Certification: IASSC Certified Lean Six Sigma Green Belt (ICGB)
Vendor: Six Sigma
Free on this page: 10 practice questions with answers and explanations
Full practice set: 143 questions

Work through the questions one at a time and read every explanation, even for the ones you get right — the reasoning behind an answer is what the real exam tests. If one area keeps costing you marks, you have found exactly what to revise before exam day.

Think of the result as a map, not a verdict. The questions you miss point straight at the topics that need work, and the explanations tell you why the correct option wins. Candidates who loop through that cycle — practise, review the reasoning, re-test — walk into the real exam having already seen their weak spots and fixed them.

Inside the full ICGB practice set:

All 143 questions with answers and explanations
Timed Exam Simulation that mirrors the real exam pressure
Topic Training to drill one domain at a time
Ask AI for More Explanation on every question
Flag questions and review them before you finish

How to use this ICGB free practice test

There is no clock and no account needed. Answer each question, check the result, and read the explanation before moving on. For anything that still feels unclear, Ask AI is built into this AI-Enabled practice test — it explains the concept behind the question so the next one like it gets easier. Ready for more? The full 143-question set adds a timed Exam Simulation mode, topic training for your weak areas, and a flagged-question review, so you can practise the way the real exam feels.

What to study for each ICGB domain

Define Phase — This phase involves understanding the customer’s needs and defining the project scope.
Measure Phase — This phase involves collecting data and analyzing it to determine the current performance level.
Analyze Phase — This phase involves using data analysis techniques to identify the root cause of any problems.
Improve Phase — This phase involves implementing solutions to improve the process.
Control Phase — This phase involves establishing control systems to ensure that the process remains at the desired level of performance.
Lean Principles — This topic covers the principles of Lean, which are used to reduce waste and improve efficiency.
Project Management — This topic covers the fundamentals of project management, including planning, scheduling, and resource management.

ICGB practice test — quick questions

Is this ICGB practice test free?

Yes — the 10 questions on this page are completely free, with no signup and no payment details needed.

How many questions are in the full ICGB set?

143 questions. The 10 free questions above are a sample of that full set, in the same style and topic balance.

Does the free test show the answers?

Yes — every question shows the correct answer with an explanation, and Ask AI can explain the concept behind a question in plain words if you want to go deeper.