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IASSC ICYB Exam Questions

Exam Name: IASSC Certified Lean Six Sigma Yellow Belt
Exam Code: ICYB ICYB-IASSC
Related Certification(s): IASSC Lean Six Sigma Yellow Belt ICYB Certification
Certification Provider: IASSC
Actual Exam Duration: 240 Minutes
Number of ICYB practice questions in our database: 120 (updated: Jun. 13, 2025)
Expected ICYB Exam Topics, as suggested by IASSC :
  • Topic 1: General History of Six Sigma & Continuous Improvement/ Gage Repeatability & Reproducibility
  • Topic 2: Critical to Quality Characteristics (CTQ’s)/ Normal Distributions & Normality
  • Topic 3: Deliverables of a Lean Six Sigma Project/ The Basics and the Meanings of Six Sigma
  • Topic 4: Elements of the Response & Control Plan/ Six Sigma Roles & Responsibilities
  • Topic 5: Measurement System Analysis/ Process Mapping, SIPOC, Value Stream Map
  • Topic 6: Voice of the Customer, Business and Employee/ Elements of the Control Plan
  • Topic 7: Cost of Poor Quality (COPQ)/ Building a Business Case & Project Charter
  • Topic 8: Cost Benefit Analysis/ Financial Evaluation & Benefits Capture
  • Topic 9: Variable & Attribute MSA/ The Fundamentals of Six Sigma/ Failure Modes & Effects Analysis (FMEA)
  • Topic 10: Understanding Lean, The History of Lean, Lean & Six Sigma, The Lean Enterprise
Disscuss IASSC ICYB Topics, Questions or Ask Anything Related
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Devora

1 months ago
IASSC Yellow Belt success! Pass4Success, your practice questions were invaluable. Exam felt familiar thanks to you!
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Fanny

1 months ago
Pass4Success really helped me with the continuous improvement questions. Know the PDCA cycle and how it's applied in process improvement.
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Jennie

2 months ago
Be ready for questions on control charts. Understand the difference between attribute and variable data, and which charts to use for each.
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Hassie

2 months ago
Just became IASSC Yellow Belt certified! Pass4Success questions were a perfect match for the exam. So grateful!
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Benton

3 months ago
The exam covers basic lean concepts. Know the principles of Just-In-Time (JIT) production and how it relates to waste reduction.
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Delila

3 months ago
There were several questions on process capability. Understand Cp and Cpk calculations and their interpretation.
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Bernadine

3 months ago
Nailed the IASSC Yellow Belt exam! Pass4Success, your materials were spot-on. Saved me weeks of study time!
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Elvis

4 months ago
Don't forget to study Voice of the Customer (VOC) concepts. The exam asks about methods for gathering and analyzing customer feedback.
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Mitzie

4 months ago
The exam tests your knowledge of basic quality tools. Be familiar with Pareto charts, fishbone diagrams, and check sheets.
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Diane

4 months ago
IASSC Yellow Belt in the bag! Pass4Success, thank you for the relevant practice questions. Made all the difference!
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Shakira

4 months ago
I passed the IASSC Yellow Belt exam, thanks to the practice questions from Pass4Success. A tricky question was about the different types of measurement systems analysis in the Measure Phase. I wasn't sure how to differentiate between Gage R&R and Attribute Agreement Analysis.
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Matt

5 months ago
Thanks to Pass4Success, I aced the questions on 5S methodology. Make sure you understand each step: Sort, Set in Order, Shine, Standardize, and Sustain.
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Stephaine

5 months ago
There are questions about team dynamics and roles. Know the key players in a Six Sigma project and their responsibilities.
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Marylou

5 months ago
Yes! Passed the IASSC Yellow Belt. Pass4Success, you're the real MVP. Your questions were right on target.
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Leonardo

6 months ago
Be prepared for questions on waste identification in Lean. Understand the 8 types of waste (DOWNTIME) and how to recognize them in various scenarios.
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Amalia

6 months ago
Thrilled to announce that I passed the IASSC Yellow Belt exam! Pass4Success practice questions were a great help. One question that caught me off guard was about the SIPOC diagram in the Define Phase. I was unsure about the correct sequence of elements.
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Mireya

6 months ago
The exam includes questions on process mapping. Practice creating and interpreting different types of process maps, like SIPOC diagrams.
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Dottie

6 months ago
IASSC Yellow Belt done and dusted! Pass4Success made my prep so efficient. Exam wasn't as scary as I thought.
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Keva

6 months ago
I passed the IASSC Yellow Belt exam, and the practice questions from Pass4Success were invaluable. A question that puzzled me was about implementing control plans in the Control Phase. I wasn't entirely clear on the steps involved but managed to answer it correctly.
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Charolette

7 months ago
Pay attention to questions about basic statistical concepts. Know how to interpret measures of central tendency and dispersion.
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Wilda

7 months ago
I successfully passed the IASSC Yellow Belt exam, and Pass4Success practice questions played a big role. One challenging question was about the types of data collection methods in the Measure Phase. I wasn't sure which method was most appropriate for a given scenario.
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Annice

7 months ago
Heads up! The exam tests your understanding of the DMAIC methodology. Make sure you can explain each phase and its purpose in process improvement.
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Carli

7 months ago
Woohoo! Passed my IASSC Yellow Belt. Pass4Success questions were incredibly similar to the actual exam. Highly recommend!
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Tyra

7 months ago
Happy to share that I passed the IASSC Yellow Belt exam! The Pass4Success practice questions were spot on. There was a question on defining the problem statement in the Define Phase, and I was a bit confused about how to frame it correctly, but it worked out in the end.
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Dianne

8 months ago
Just passed my IASSC Lean Six Sigma Yellow Belt exam! So grateful for Pass4Success's study materials. They really helped me prepare quickly and effectively.
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Jacklyn

8 months ago
I passed the IASSC Yellow Belt exam, thanks to Pass4Success. One question that had me second-guessing was about control charts in the Control Phase. I wasn't sure which type of control chart to use for attribute data, but I made an educated guess.
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Cassi

8 months ago
IASSC Yellow Belt certified! Pass4Success materials were a lifesaver. Exam was tough, but I was well-prepared.
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Leatha

8 months ago
Any final thoughts on the exam?
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Lasandra

8 months ago
Just cleared the IASSC Yellow Belt exam! The practice questions from Pass4Success were a lifesaver. There was a tricky question on calculating process capability in the Measure Phase. I was unsure about the exact formula for Cp and Cpk, but I still managed to pass.
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Avery

9 months ago
Overall, Pass4Success's practice questions were spot-on. They covered all these topics and more, making my exam preparation efficient and effective!
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Royal

9 months ago
I recently passed the IASSC Certified Lean Six Sigma Yellow 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. I wasn't entirely sure how to prioritize customer requirements, but I managed to get through it.
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Francine

9 months ago
Just passed my IASSC Lean Six Sigma Yellow Belt exam! Thanks Pass4Success for the spot-on practice questions. Saved me so much time!
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Micah

10 months ago
Passing the IASSC Certified Lean Six Sigma Yellow Belt exam was a great achievement for me, and I attribute my success to using Pass4Success practice questions. The exam included topics like General History of Six Sigma & Continuous Improvement and Normal Distributions & Normality. One question that stood out to me was about the significance of understanding the bell curve in a normal distribution and its implications for process improvement, which I had to carefully analyze before selecting the correct answer.
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Tammi

11 months ago
My exam experience for the IASSC Certified Lean Six Sigma Yellow Belt was successful, thanks to Pass4Success practice questions. The topics on Critical to Quality Characteristics (CTQ?s) and Normal Distributions & Normality were well covered in the exam. I recall a question about how to identify CTQs in a process and prioritize them based on customer requirements, which required a deep understanding of the concept.
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Rosamond

11 months ago
Just passed the IASSC Lean Six Sigma Yellow Belt exam! Watch out for questions on DMAIC methodology, especially defining project scope. Study process mapping techniques thoroughly. Thanks to Pass4Success for the spot-on practice questions that helped me prep quickly!
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Wynell

11 months ago
I passed the IASSC Certified Lean Six Sigma Yellow Belt exam with the help of Pass4Success practice questions. The exam covered topics such as General History of Six Sigma & Continuous Improvement and Gage Repeatability & Reproducibility. One question that I remember was related to the importance of Gage R&R in ensuring accurate measurement systems, which I initially found challenging but managed to answer correctly.
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Free IASSC ICYB Exam Actual Questions

Note: Premium Questions for ICYB were last updated On Jun. 13, 2025 (see below)

Question #1

Six Sigma refers to a process whose output has 100% of its data points within 8 Standard Deviations from the Mean.

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Correct Answer: A

Question #2

As we attempt to find a commonality of terms to assess the performance of a broad range of processes we use a key metric called the DPMO which stands for __________________________?

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Correct Answer: C

Question #3

Al bought a digital camera from his local electronics store. When he first used it he found the zoom lens function was inoperative because a gear was installed improperly. For the manufacturer of the camera this would be categorized as what type of cost?

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Correct Answer: A

Question #4

As we identify customer and supplier requirements for a SIPOC we are urged to use the RUMBA approach which stands for _____________, Understandable, Measurable, Believable and Achievable.

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Correct Answer: D

Question #5

Cycle Time, Defects, Scrap Cost and Safety are examples of business metrics or commonly referred to as which of the following?

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Correct Answer: B

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