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Free IASSC ICYB Practice Questions & Answers 2026 Part3 | Certified Lean Six Sigma Yellow Belt

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Question #1
Training cost is $3,000 and a project required an initial investment of $12,000. If the project yields monthly savings of $1,800 beginning after 3 months, what is the payback period in months (before money costs and taxes)?
A.
B.
C. 1
D. 8
View answer
Correct Answer: C
Question #2
The purpose of a ___________ is to identify the complexity of the process and to assist in identifying critical steps in the process.
A. Pareto Chart
B. Process Map
C. Kanban
D. Kaizen event
View answer
Correct Answer: B
Question #3
Al bought a handheld GPS from his local electronics store. When he entered an address it would notfunction. For the manufacturer of the GPS this would be categorized as what type of cost?
A. nternal Failure Cost
B. revention Cost
C. xternal Failure Cost
D. ppraisal Cost
View answer
Correct Answer: C
Question #4
As we conceive and define a LSS project one of the overriding things we hope to accomplish is toreduce the _____________________.
A. ork force
B. umber of process steps
C. nventory
D. ost of Poor Quality
View answer
Correct Answer: D
Question #5
Six Sigma refers to a process whose output has at least 95% of its data points within 6 Standard Deviations from the Mean.
A. rue
B. alse
View answer
Correct Answer: B
Question #6
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 #7
Training cost is $3,000 and a project required an initial investment of $12,000. If the project yieldsmonthly savings of $1,800 beginning after 3 months, what is the payback period in months (beforemoney costs and taxes)?
A. 4
B. 8
C. 11
D. 28
View answer
Correct Answer: C
Question #8
With a Fishbone Diagram we use the legs to define each source of a potential defect and along the legs we enter each potential means by which a defect could be introduced into our process.
A. True
B. False
View answer
Correct Answer: A
Question #9
As a standard for a process to be at the 6 Sigma quality level, it must have?
A. Documentation is clear
B. Was timely in delivery
C. Required no redo
D. All of these answers are correct
View answer
Correct Answer: D
Question #10
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
Question #11
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 #12
The Pareto Chart is a tool that displays data that typically follows what ratio?
A. 0:30
B. 0:20
C. 0:10
D. 5:5
View answer
Correct Answer: B
Question #13
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 #14
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. Manage
B. Measure
C. Memorize
D. Manipulate
View answer
Correct Answer: B
Question #15
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 #16
One of the 5S approaches to eliminating waste is to organize all tools, information and inventory utilized at a workstation in such a manner that the operator knows exactly where things are when needed. This 5S tool is called ____________.
A. Standardizing
B. Scheduling
C. Sustaining
D. Straightening
View answer
Correct Answer: D
Question #17
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
Question #18
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 #19
As we identify customer and supplier requirements for a SIPOC we are urged to use the RUMBA approach which stands for Reasonable, Understandable, _____________, Believable and Achievable.
A. Manageable
B. Massive
C. Memorable
D. Measurable
View answer
Correct Answer: D
Question #20
With a Fishbone Diagram we use the legs to define each source of a potential defect and along the legs we enter each potential means by which a defect could be introduced into our process.
A. True
B. False
View answer
Correct Answer: A
Question #21
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
Question #22
The DMAIC approach to problem solving stands for Define, __________, Analyze, Improve and Control.
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 #23
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
Question #24
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 #25
Which of the following would likely be a CTQ (Critical-to-Quality) for the purchase of a service?
A. Independent, dependent
B. Individual, multiple
C. Sole, multiple
D. Dependent, independent
View answer
Correct Answer: D
Question #26
A Belt has determined that the loan application does not need to be reviewed by accounting thereby improving the number of applications a loan processer can handle. According to Cost of Poor Quality (COPQ) definitions RTY improvement would be considered _______________.
A. ADownsizing savings
B. BHard savings
C. CSoft savings
D. DMedian savings
View answer
Correct Answer: B
Question #27
A Monitoring Plan put into place at the conclusion of a project will provide for adequate systems with key metric readouts indicating out-of-spec conditions.
A. True
B. False
View answer
Correct Answer: A
Question #28
When a process has proven itself to function at a Six Sigma level this means there are less than __________ defects per million opportunities.
A. 1
B. 2
C. 3
D. 10
View answer
Correct Answer: C
Question #29
If a set of data is generally centered relative to the targeted value but is rather widely disbursed it would be said to be ______________.
A. Precise but not accurate
B. Accurate but not precise
C. Precise but skewed
D. Accurate but distributed
View answer
Correct Answer: B
Question #30
With a Fishbone Diagram we use the legs to define each source of a potential defect and along the legs we enter each potential means by which a defect could be introduced into our process.
A. True
B. False
View answer
Correct Answer: A
Question #31
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 #32
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
Question #33
With a Fishbone Diagram we use the legs to define each source of a potential defect and along the legs we enter each potential means by which a defect could be introduced into our process.
A. True
B. False
View answer
Correct Answer: A
Question #34
The purpose of a ______________ is to identify the complexity of the process and to assist in identifying critical steps in the process.
A. APareto Chart
B. BProcess Map
C. CKanban
D. DKaizen event
View answer
Correct Answer: B
Question #35
An important factor in a viable ____________is to determine who, when and to what level various personnel must be trained to maintain the improvements made to a process.
A. Control Plan
B. FMEA
C. Standard Operating Procedure
D. Process Map
View answer
Correct Answer: C
Question #36
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 #37
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 #38
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
Question #39
The DMAIC approach to problem solving stands for Define, __________, Analyze, Improve andControl.
A. Manage
B. Measure
C. Memorize
D. Manipulate
View answer
Correct Answer: B

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