IASSC ICYB Certification Exam Sample Questions: A Comprehensive Guide

The International Association for Six Sigma Certification (IASSC) offers the Lean Six Sigma Yellow Belt (ICYB) certification to individuals seeking to demonstrate their knowledge and skills in process improvement methodologies. To help candidates prepare effectively for the ICYB certification exam, this comprehensive guide provides sample questions and answers, valuable insights, and tips for success.

Understanding ICYB Certification and Its Importance

The ICYB certification is designed to validate an individual’s understanding of Lean Six Sigma principles and their ability to apply them in process improvement projects.

2. ICYB Certification Exam Structure and Format

The ICYB certification exam typically consists of multiple-choice questions and may have a time limit for completion.

3. Key Concepts and Methodologies in Lean Six Sigma

Understanding concepts like DMAIC (Define, Measure, Analyze, Improve, Control), waste reduction, and process optimization are crucial for the ICYB exam.

4. The Role of ICYB Professionals in Process Improvement

ICYB-certified professionals play a vital role in supporting process improvement initiatives, identifying inefficiencies, and implementing solutions.

5. Preparing for the ICYB Certification Exam

Preparation involves reviewing study materials, practicing sample questions, and participating in mock exams to gauge readiness.

6. Sample ICYB Certification Exam Questions and Answers

  1. Question: What does the “D” in DMAIC stand for? Answer: “D” stands for Define, where the problem and project goals are clearly outlined.
  2. Question: Which Lean Six Sigma tool is used to visualize the relationship between two variables? Answer: A Scatter Plot is used to visualize the relationship between two variables.
  3. Question: What is the primary goal of the Control phase in DMAIC? Answer: The primary goal of the Control phase is to sustain process improvements and monitor performance.
  4. Question: Which Lean principle focuses on eliminating non-value adding activities? Answer: The Lean principle of “Eliminate Waste” focuses on removing non-value adding activities.
  5. Question: What are the main roles in a Six Sigma project team? Answer: The main roles in a Six Sigma project team include a Champion, a Black Belt, and a Green Belt.
  6. Question: In Lean Six Sigma, what does the acronym SIPOC stand for? Answer: SIPOC stands for Suppliers, Inputs, Process, Outputs, and Customers—a tool used to understand process elements.


IASSC Lean Six Sigma Yellow Belt Sample Questions:

01. As we begin to describe the things occurring with our process through a Process Map we begin to see some steps that are NVA which stands for ____________.
a) Non-value add
b) No violation allowed
c) Non-value actions
d) Next vehicle action
02. 5S Sorting: Items used weekly should be kept _______?
a) In a remote location
b) In a local location
c) Within arm’s reach
d) In a storage area
03. During the Process Discovery activity of the Measure Phase our team uses a ___________________ to brainstorm concerning all the potential things that could impact the output of the process we are investigating.
a) Pareto Chart
b) Shewhart Analytical
c) Fishbone Diagram
d) None
04. In the expression Y = f(Xn) Y, the output, is the ___________ variable and Xn, the inputs, are the __________ variables.
a) Independent, dependent
b) Individual, multiple
c) Sole, multiple
d) Dependent, independent
05. Which of the following would likely be a CTQ (Critical-to-Quality) for the purchase of a service?
a) Documentation is clear
b) Was timely in delivery
c) Required no redo
d) All of these answers are correct
06. As a standard for a process to be at the 6 Sigma quality level, it must have?
a) Cp & Cpk > 1.5
b) Cp & Cpk >2
c) Cp >1.5 & Cpk >2.0
d) Cp >2.0 & Cpk >1.5
07. A concept that addresses the consistency of process workers is called ________?
a) Supervising
b) Visual Factory
c) Standard Operating Procedures
d) Performance Drivers
08. A key metric in Six Sigma is the DPMO which stands for __________________?
a) Delayed production metrics output
b) Defects by management oversight
c) Defects per million opportunities
d) Developed production management oversight
09. The DMAIC approach to problem solving stands for Define, __________, Analyze, Improve and Control.
a) Manage
b) Measure
c) Memorize
d) Manipulate
10. As a Belt completes a LSS project she creates for the Process Owner a Control Plan. The Control Plan is to remain active and open for __________________.
a) One year
b) The rest of the fiscal year
c) The life of the process
d) Three years


Question: 01
Answer: a
Question: 02
Answer: b
Question: 03
Answer: c
Question: 04
Answer: d
Question: 05
Answer: d
Question: 06
Answer: d
Question: 07
Answer: c
Question: 08
Answer: c
Question: 09
Answer: b
Question: 10
Answer: c

Tips for a Successful ICYB Certification Exam Experience

Time management, understanding key concepts, and staying focused during the exam are essential for success.

8. Frequently Asked Questions (FAQs) about the ICYB Certification Exam

Is the ICYB certification exam difficult?

The difficulty of the exam varies from person to person, but thorough preparation increases the likelihood of success.

How can I access study materials for the ICYB exam?

IASSC provides study materials, and there are various online resources and training courses available.

What is the passing score for the ICYB certification exam?

The passing score is determined by IASSC and may vary. Check the official website for specific details.

Can I retake the ICYB exam if I don’t pass?

Yes, candidates are allowed to retake the exam after a waiting period, but additional fees may apply.

9. Conclusion

The ICYB certification is a valuable credential for individuals seeking to demonstrate their proficiency in Lean Six Sigma principles. By familiarizing themselves with key concepts, practicing sample questions, and following effective exam preparation strategies, candidates can increase their chances of passing the ICYB certification exam and advancing in their careers.


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