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IASSC Green Belt Exam Questions PDF, Free Download | SPOTO

The IASSC Lean Six Sigma Green Belt certification is a globally recognized credential that equips professionals with the skills to lead process improvement initiatives and enhance operational efficiency. Success in the Green Belt exam requires a deep understanding of the DMAIC methodology, statistical tools, and quality management concepts. SPOTO provides a comprehensive collection of IASSC Green Belt exam questions in PDF format, available for free download. These materials are aligned with the 2024 exam syllabus, offering candidates a convenient and effective way to prepare. With SPOTO’s resources, including practice questions and expert study guides, you can assess your readiness, strengthen your weak areas, and boost your confidence for exam day. Begin your Lean Six Sigma journey today with SPOTO’s trusted and up-to-date Green Belt exam materials!
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Question #1
After a Belt has put data through the smoothing process which chart would be used to look for trends in the data?
A. Moving Average Chart
B. Multi-Vari Chart
C. X bar Chart
D. Pareto Chart
View answer
Correct Answer: A
Question #2
Who introduced the concept of ‘Statistical Process Control’ (SPC)?
A. Sir Ronald A
B. W
C. Joseph M
D. Walter A
View answer
Correct Answer: D
Question #3
The Standard Deviation for the distribution of Means is called the ___________ and approaches zero as the sample size reaches 30.
A. Standard Error
B. Mean Deviation
C. Mean Spread
D. Mean Error
View answer
Correct Answer: A
Question #4
When two Inputs have an impact on the Output together yet seem to have no or little impact on their own this is called a/an ________________.
A. Interaction
B. Oddity
C. Coincidence
D. Impossibility
View answer
Correct Answer: A
Question #5
An employee of ACME Corporation noticed that every loan application that gets approved is copied four times and is stored in different locations in the company for no apparent reason. This would be an example of __________________.
A. Internal Failure Costs
B. Appraisal Costs
C. External Failure Costs
D. Prevention Costs
View answer
Correct Answer: A
Question #6
Lean focuses on the sequence of activities and work required to produce a product or a service.This flow is called a ___________________.
A. Value-add Flow
B. Production Map
C. Value Stream
D. Operating Procedure
View answer
Correct Answer: C
Question #7
According to the KANO model, which performance feature of a product or service is MOST likely to satisfy a customer's expectations?
A. Compliance to industry standards
B. Financial performance of production process
C. Delightfully friendly sales assistant
D. Reliability and robustness of the components
View answer
Correct Answer: D
Question #8
Which statement(s) are correct for the Regression Analysis shown here? (Note: There are 2 correct answers).
A. True
B. False
View answer
Correct Answer: A,D
Question #9
Why might a project team conduct a 'stakeholder analysis’?
A. Identify the roles on a project for employees
B. Organize work to ensure that necessary tasks are completed
C. Provide a clear description of a process planning or improvement opportunity
D. Develop a communications strategy to keep people informed
View answer
Correct Answer: D
Question #10
Hypothesis Testing can help avoid high costs of experimental efforts by using existing data.
A. True
B. False
View answer
Correct Answer: A
Question #11
Voice of the Customer is a Lean Six Sigma technique to determine ____________________ attributes of a product or service.
A. At least 6
B. The profitable
C. Critical-to-Quality
D. The majority of the
View answer
Correct Answer: C
Question #12
A Belt concludes a Lean Six Sigma project with the creation of a Control Plan. At what point can the Control Plan be closed?
A. Never, a Control Plan is a living document
B. As soon as the Champion signs off
C. Within 30 days of the LSS project review team meeting
D. After the project has been presented at the recognition event
View answer
Correct Answer: A
Question #13
Lean removes many forms of ______________ so Six Sigma can focus on reducing _______________.
A. Waste, variability
B. Inventory, defects
C. Waste, cost
D. Movement, variation
View answer
Correct Answer: A
Question #14
According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7 minutes for the employees to get to work while they use their personal vehicles for their office commute while the management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted one day on 70 employees showed an average of 34 minutes commuting time using the metro public transportation system with a Standard Deviation of 21 minutes. If the Standard Deviation is unc
A. Increase the average time of commute
B. Maintain the average time of commute and change route to work
C. Reduce average commute time to work by departing earlier
D. Change policy at work and request for flexible times based on location
View answer
Correct Answer: C
Question #15
It is a Type II error if we decide to reject the Null Hypothesis when it is actually true.
A. True
B. False
View answer
Correct Answer: B
Question #16
Training cost is $4, 000 and a project required an initial investment of $30, 000. If the project yields monthly savings of $2, 000 beginning after 3 months, what is the payback period in months (before money costs and taxes)?
A. 10
B. 20
C. 27
D. 33
View answer
Correct Answer: B
Question #17
A 1-Sample t-test is used when you want to compare the Median of one distribution to a target value.
A. True
B. False
View answer
Correct Answer: B
Question #18
What is the Cycle Time, in seconds, for a process having a Throughput of 7, 200 units per hour?
A. 0
B. 2
C. 4
D. 10
View answer
Correct Answer: A
Question #19
Bias in Sampling is an error due to lack of independence among random samples or due to systematic sampling procedures.
A. True
B. False
View answer
Correct Answer: A
Question #20
One of the metrics commonly used in Lean Six Sigma is DPU. This acronym stands for ___________________.
A. Deferred planned usage
B. Defects per unit
C. Decreased production utilization
D. Downtime per unit
View answer
Correct Answer: B
Question #21
While management of a company must set the stage for all improvement efforts, which of these 5S's is primarily driven by management?
A. Straighten
B. Sort
C. Shine
D. Sustain
View answer
Correct Answer: D
Question #22
To draw inferences about a sample population being studied by modeling patterns of data in a way that accounts for randomness and uncertainty in the observations is known as ____________________.
A. Influential Analysis
B. Inferential Statistics
C. Physical Modeling
D. Sequential Inference
View answer
Correct Answer: B
Question #23
The use of Kanbans work best with pull systems for determining the timing of which products or services are produced.
A. True
B. False
View answer
Correct Answer: A
Question #24
Which of the following is used to test the significance for the analysis of a Variance Table?
A. t Test
B. F Test
C. Chi Square Test
D. Acid Test
View answer
Correct Answer: B
Question #25
Process Capability is a function of which of these?Please choose the correct answer.
A. Customer requirements
B. Process performance
C. Output over time
D. All of these answers are correct
View answer
Correct Answer: D

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