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IASSC Yellow Belt Sample Questions, Lean Six Sigma Yellow Belt | SPOTO

The IASSC Lean Six Sigma Yellow Belt certification is designed for professionals starting their journey into the Lean Six Sigma methodologies. This foundational certification validates your understanding of Lean principles, the DMAIC framework, and key problem-solving tools essential for operational excellence. SPOTO offers up-to-date IASSC Yellow Belt sample questions and Lean Six Sigma Yellow Belt study materials to help candidates prepare for the certification exam. These resources include mock tests, practice questions, and comprehensive study guides tailored to the latest exam standards. SPOTO’s expertly designed materials give you the confidence to identify knowledge gaps, improve readiness, and approach the exam with confidence. Whether you’re new to Six Sigma or advancing your professional journey, SPOTO provides the tools you need to achieve Yellow Belt certification success.
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Question #1
It is recommended that when beginning a 5S program it be started in a pilot work area for learning and demonstration purposes then it is expended throughout the plant.
A. True
B. False
View answer
Correct Answer: A
Question #2
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
View answer
Correct Answer: D
Question #3
As we conceive and define a LSS project one of the overriding things we hope to accomplish is to reduce the ____________.
A. Work force
B. Number of process steps
C. Inventory
D. Cost of Poor Quality
View answer
Correct Answer: D
Question #4
When we assess the Voice of the Customer we are attempting to determine the gaps in our processes between “what is” and _________.
A. “What isn’t”
B. “What will make money”
C. “What will cost less”
D. “What should be”
View answer
Correct Answer: D
Question #5
SIPOC stands for Suppliers, Inputs, ___________, Output and Customers.
A. Production
B. Process
C. Products
D. Presentation
View answer
Correct Answer: B
Question #6
A key metric in Six Sigma is the DPMO which stands for __________________?Please choose the correct answer.
A. Delayed production metrics output
B. Defects by management oversight
C. Defects per million opportunities
D. Developed production management oversight
View answer
Correct Answer: C
Question #7
Why is the Value Stream Mapping (Current State) technique used?
A. Visualizing process performance trends and cycles
B. Brainstorming to generating a large number of ideas in a short time
C. Identifying causes of waste and opportunities for improvement
D. Capturing numerical readings, measures or counts
View answer
Correct Answer: C
Question #8
A 5 Why Analysis is used to help identify possible defect causes when which one of the below listed tools is created?
A. Fishbone Diagram
B. SIPOC
C. X-Y Matrix
D. Pareto Chart
View answer
Correct Answer: A
Question #9
The ROI for a project is a measurement metric that stands for ___________and is one of the methods used to measure the success of a Lean Six Sigma project.
A. Return on Investment
B. Recognition of Innovation
C. Recovery of Investment
D. Return on Inventory
View answer
Correct Answer: A
Question #10
As part of a Visual Factory plan ____________are created and utilized to identify areas in need of cleaning and organization.
A. Flashing lights
B. Soft horns
C. Kanban cards
D. Operator announcement programs
View answer
Correct Answer: C
Question #11
As we conceive and define a LSS project one of the overriding things we hope to accomplish is to reduce the _____________.
A. Work force
B. Number of process steps
C. Inventory
D. Cost of Poor Quality
View answer
Correct Answer: D
Question #12
The DMAIC approach to problem solving stands for Define, __________, Analyze, Improve and Control.
A. Manage
B. Measure
C. Memorize
D. Manipulate
View answer
Correct Answer: B
Question #13
To construct a Fishbone Diagram and capture all the issues of interest it is best if your team uses the _____________ approach.
A. Graphical
B. Data collection
C. Shewhart
D. Brainstorming
View answer
Correct Answer: D
Question #14
Long-term Data represents all the variation that one can expect to experience from the output of the subject process.
A. True
B. False
View answer
Correct Answer: A
Question #15
As a Belt created a Process Map he realized there were multiple departments involved in this process so he added a feature to the map called _______________ .
A. Passing Lanes
B. Swim Lanes
C. Department Dividers
D. Responsibility Paths
View answer
Correct Answer: B
Question #16
What is 'Little’s’ formula for calculating Average Lead Time?
A. Number of units required, divided by production capacity
B. Production capacity, divided by the number of units required
C. Number of units required, multiplied by production capacity
D. Production capacity, multiplied by number of units required
View answer
Correct Answer: A
Question #17
A Macro Process Map may map a process showing the entire activities of a department and can likely be broken into many Micro Process Maps showing numerous processes that comprise the activities of the department.
A. True
B. False
View answer
Correct Answer: A
Question #18
A 5 Why Analysis is used to help identify possible defect causes when which one of the below listed tools is created?
A. Fishbone Diagram
B. SIPOC
C. X-Y Matrix
D. Pareto Chart
View answer
Correct Answer: A
Question #19
One of the primary deliverables from performing a SIPOC is to begin to understand which inputs have the greatest affect on the ____________most valued outputs.
A. Business’s
B. Employee’s
C. Management’s
D. Customer’s
View answer
Correct Answer: D
Question #20
In an organization is the sum total of all the processes which occur in the business to take inputs and turn them into customer desired outputs is called the Value Chain.
A. True
B. False
View answer
Correct Answer: A
Question #21
When we create a Process Map we use a ________________to show the direction of work flow.
A. Solid line arrow
B. Dashed line arrow
C. Series of dots
D. Double lines
View answer
Correct Answer: A
Question #22
To reduce the people or operator introduced defects into a process it is best if a Belt can design and implement a means of _____________into the process.
A. Measurement automation
B. Operator alertness
C. Full Automation
D. Constant supervision
View answer
Correct Answer: C
Question #23
Six Sigma refers to a process whose output has 100% of its data points within 8 Standard Deviations from the Mean.
A. True
B. False
View answer
Correct Answer: A
Question #24
The Control Plan is the road map to sustaining the improvements made through the Lean Six Sigma project and should therefore involve keeping the ____________up to date as a means of supporting the Response Plan.
A. X-Y Diagram
B. Shewhart Chart
C. FMEA
D. Customer Service Plan
View answer
Correct Answer: C
Question #25
The formula Y = f(Xn) is a method of expressing the concept that the output of a process is a function of all the _____________?
A. Materials and labor
B. Inputs to the process
C. Line personnel and direct supervision
D. Employees of the company
View answer
Correct Answer: B
Question #26
A Belt gathered the following defect data for a trouser production line and wanted to assemble it into a Pareto Chart. The correct order from left to right in the chart would be:Data: Cutting 29Forming 43Stitching 17 Sealing 51
A. Sealing, Forming, Cutting, Stitching
B. Cutting, Stitching, Sealing, Forming
C. Stitching, Forming, Cutting, Sealing
D. Forming, Cutting, Sealing, Stitching
View answer
Correct Answer: A
Question #27
One of the 5S approaches to eliminating waste is to minimize work activities that are out of the ordinary thereby requiring unusual decisions and actions to accomplish the correct things. This 5S tool is called _____________.
A. Standardizing
B. Scheduling
C. Sustaining
D. Sorting
View answer
Correct Answer: A
Question #28
The “Method” category of Root Causes on a Fishbone Diagram is primarily used to generate ideas as to the possible causes for defects by the ______________.
A. Inventory management
B. Effects of the environment
C. Way work is done
D. Parts or forms used
View answer
Correct Answer: C
Question #29
The DMAIC approach to problem solving stands for Define, __________, Analyze, Improve and Control.Please choose the correct answer.
A. Manage
B. Measure
C. Memorize
D. Manipulate
View answer
Correct Answer: B
Question #30
When a Belt wishes to clarify the activities of various departments in a Process Map she is creating she adds a feature to the map called ______________.
A. Department Dividers
B. Passing Lanes
C. Swim Lanes
D. Responsibility Paths
View answer
Correct Answer: C

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