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IASSC ICBB Exam Questions

Exam Name: IASSC Certified Lean Six Sigma Black Belt
Exam Code: ICBB ICBB-IASSC
Related Certification(s): IASSC Lean Six Sigma Black Belt ICBB Certification
Certification Provider: IASSC
Number of ICBB practice questions in our database: 300 (updated: Aug. 14, 2025)
Expected ICBB Exam Topics, as suggested by IASSC :
  • Topic 1: Define Phase: This section measures the skills of Six Sigma Practitioners and covers the foundational concepts of Six Sigma, including its meanings, historical context, deliverables of Lean Six Sigma projects, and the problem-solving strategy represented by Y=f(x), Y=f(x). Candidates will also learn about the Voice of the Customer, Business, and Employee, as well as Six Sigma roles and responsibilities.
  • Topic 2: Measure Phase: This section assesses skills related to process definition for Quality Analysts. Candidates will utilize tools such as Cause & Effect diagrams, process mapping techniques like SIPOC and Value Stream Maps, and Failure Modes & Effects Analysis (FMEA). Additionally, candidates will explore basic statistics and measurement system analysis to evaluate precision and accuracy.
  • Topic 3: Analyze Phase: This section evaluates skills in analyzing patterns of variation for Data Analysts. Candidates will conduct Multi-Vari Analysis and apply inferential statistics, including hypothesis testing with both normal and non-normal data. Understanding sampling techniques and the Central Limit Theorem is also crucial in this phase.
  • Topic 4: Improve Phase: This section focuses on skills in regression analysis for Predictive Modelers. Candidates will explore simple and multiple regression techniques, including data transformation methods. They will also learn about designing experiments, including full factorial and fractional factorial experiments.
  • Topic 5: Control Phase: This section measures control phase strategies for Quality Control Managers. Candidates will learn about Lean control methods such as Kanban and Poka-Yoke, as well as statistical process control (SPC) techniques. They will analyze various control charts and develop effective Six Sigma control plans to maintain improvements.
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Chana

1 months ago
Measurement System Analysis (MSA) was a key topic. Know how to interpret Gage R&R studies. Thanks to Pass4Success, I was well-prepared and passed the exam.
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Dottie

2 months ago
Thrilled to have my IASSC Black Belt! Pass4Success's prep materials were game-changers. So grateful for the efficient study aid!
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Martina

3 months ago
Successfully passed the IASSC Black Belt exam! Pass4Success's questions were incredibly relevant. Excellent resource!
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Edna

4 months ago
LSSBB certified! Pass4Success's practice exams were crucial for my success. Thank you for the time-saving prep!
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Colby

5 months ago
Risk management questions were present. Be familiar with FMEA and risk priority numbers. Pass4Success materials covered this topic thoroughly.
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Nickie

5 months ago
Design for Six Sigma (DFSS) concepts appeared. Understand DMADV methodology and its differences from DMAIC. The exam was challenging, but I passed!
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Terry

5 months ago
Passed my IASSC certification with flying colors! Pass4Success's materials were spot-on. Saved me weeks of studying!
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Isadora

6 months ago
Root cause analysis tools were important. Know how to apply fishbone diagrams and 5 Whys. Passed the exam and grateful for Pass4Success's relevant practice questions!
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Vivienne

6 months ago
Change management questions were tricky. Study Kotter's 8-step model and ADKAR. Pass4Success really helped me grasp these concepts quickly.
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Stephane

6 months ago
Just became a Lean Six Sigma Black Belt! Pass4Success made studying a breeze. Their questions matched the exam perfectly.
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Kandis

7 months ago
Lean principles were heavily tested. Understand value stream mapping and the 8 wastes. The exam was comprehensive, but I managed to pass thanks to good preparation.
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Jenelle

7 months ago
Thrilled to have passed the IASSC Lean Six Sigma Black Belt exam. Pass4Success practice questions were a great resource. There was a difficult question in the Analyze Phase about using regression analysis to identify relationships between variables. I guessed, but it worked out!
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Rupert

7 months ago
DMAIC roadmap questions appeared throughout. Know the tools and techniques associated with each phase. Pass4Success materials were spot-on for this.
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Theron

7 months ago
Aced my IASSC LSSBB exam today! Pass4Success's questions were right on target. Great resource for quick preparation.
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Oliva

8 months ago
Process capability questions were abundant. Be prepared to calculate and interpret Cp, Cpk, and Pp, Ppk. The exam was tough, but I passed with flying colors!
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Lashaunda

8 months ago
Voice of the Customer (VOC) concepts were important. Expect questions on Kano analysis and CTQ trees. Pass4Success practice exams covered these topics well.
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Nelida

8 months ago
I passed the IASSC Lean Six Sigma Black Belt exam, thanks to Pass4Success practice questions. One question in the Measure Phase asked about the different types of measurement system analysis (MSA) techniques. I was unsure, but I still succeeded.
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Junita

8 months ago
IASSC Black Belt certified! Pass4Success's practice tests were incredibly similar to the real thing. Thank you for the efficient prep!
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Shelia

8 months ago
Control phase questions emphasized SPC charts. Know how to calculate control limits and interpret out-of-control situations. Passed the exam thanks to thorough preparation!
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Eun

9 months ago
Excited to announce that I passed the IASSC Lean Six Sigma Black Belt exam. Pass4Success practice questions were very useful. A tough question in the Define Phase asked about creating a SIPOC diagram to map out a process. I wasn't certain, but I managed to pass.
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Cortney

9 months ago
Improve phase questions tested knowledge of DOE. Make sure you can interpret main effects and interaction plots. Pass4Success really helped me prepare in a short time.
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Ozell

9 months ago
I successfully passed the IASSC Lean Six Sigma Black Belt exam, and Pass4Success practice questions were instrumental. One question in the Control Phase asked about the use of control charts to monitor process stability. I was unsure, but I still passed!
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Shonda

9 months ago
Thrilled to have passed my LSSBB certification! Pass4Success's exam prep was invaluable. Couldn't have done it without them.
upvoted 0 times
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Kris

9 months ago
Analyze phase had complex hypothesis testing scenarios. Brush up on your t-tests, ANOVA, and chi-square tests. The exam was challenging, but I managed to pass!
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Ryan

10 months ago
Happy to share that I passed the IASSC Lean Six Sigma Black Belt exam. Pass4Success practice questions were a great help. There was a challenging question in the Improve Phase about selecting the best solution using a prioritization matrix. I wasn't confident, but I made it through.
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Annabelle

10 months ago
I passed the IASSC Lean Six Sigma Black Belt exam, and Pass4Success practice questions played a big role. One question that threw me off was in the Analyze Phase, asking about the use of hypothesis testing to determine if two sample means are significantly different. I guessed, but it worked out!
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Malinda

10 months ago
Measure phase questions heavily focused on data collection plans. Study different sampling methods and their applications. Thanks Pass4Success for the spot-on practice questions!
upvoted 0 times
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Gail

10 months ago
Wow, the IASSC Black Belt exam was tough, but I made it! Pass4Success materials were a lifesaver. Highly recommend!
upvoted 0 times
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Orville

11 months ago
Just cleared the IASSC Lean Six Sigma Black Belt exam, thanks to Pass4Success practice questions. There was a tricky question in the Measure Phase about calculating process capability indices like Cp and Cpk. I wasn't entirely sure of my answer, but I still succeeded.
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Mary

11 months ago
Just passed the IASSC Lean Six Sigma Black Belt exam! The Define phase questions were tricky. Make sure you understand project charters and SIPOC diagrams thoroughly.
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Viola

11 months ago
I recently passed the IASSC Certified Lean Six Sigma Black Belt exam, and I must say the Pass4Success practice questions were incredibly helpful. One question that stumped me was about identifying the Voice of the Customer (VOC) in the Define Phase. It asked how to prioritize customer requirements effectively. Despite my uncertainty, I managed to pass!
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Nelida

11 months ago
Just passed my IASSC Lean Six Sigma Black Belt exam! Thanks Pass4Success for the spot-on practice questions. Saved me so much time!
upvoted 0 times
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Nydia

12 months ago
Thanks to Pass4Success practice questions, I was able to pass the IASSC Certified Lean Six Sigma Black Belt exam. The topics of Building a Business Case & Project Charter and General History of Six Sigma & Continuous Improvement were well-covered in the exam. One question that tested my knowledge was about implementing Statistical Process Control (SPC) techniques in a manufacturing setting to monitor and improve process performance. Despite my initial hesitation, I successfully passed the exam.
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Lorean

1 years ago
My exam experience for the IASSC Certified Lean Six Sigma Black Belt was successful thanks to Pass4Success practice questions. The topics of General History of Six Sigma & Continuous Improvement and Statistical Process Control (SPC) were crucial for the exam. One question that challenged me was about creating a Project Charter and outlining the key components necessary for a successful Lean Six Sigma project. Despite my initial uncertainty, I was able to pass the exam.
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Lili

1 years ago
Just passed the IASSC Lean Six Sigma Black Belt exam! Be prepared for questions on DMAIC methodology, especially in the Analyze phase. Expect to interpret statistical outputs and choose appropriate tools. Study hypothesis testing and regression analysis thoroughly. Thanks to Pass4Success for the spot-on practice questions that helped me prepare efficiently!
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Velda

1 years ago
I passed the IASSC Certified Lean Six Sigma Black Belt exam with the help of Pass4Success practice questions. The exam covered topics like Building a Business Case & Project Charter and Statistical Process Control (SPC). One question that stood out to me was related to Fractional Factorial Experiments, where I had to determine the appropriate design for a given scenario. Despite being unsure of my answer, I managed to pass the exam.
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Free IASSC ICBB Exam Actual Questions

Note: Premium Questions for ICBB were last updated On Aug. 14, 2025 (see below)

Question #1

If in an experiment all possible variable pairs sum to zero the design is Orthogonal.

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Correct Answer: A

Question #2

Statistical Difference is the magnitude of difference or change required to distinguish between a true difference, brought about by change or improvement, and one that could have occurred by chance.

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Correct Answer: A

Question #3

A valid Multiple Linear Regression (MLR) is characterized by all of these except?

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Correct Answer: D

Question #4

A valid mathematical Regression represents all of the characteristics shown except _________________.

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Correct Answer: A

Question #5

Following process modifications, the Null Hypothesis states that no improvement to the process has occurred. If we discover the Null Hypothesis Test was rejected when it was false that would be a(n) _______________.

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Correct Answer: B

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