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Free IASSC ICGB Practice Questions & Answers 2026 Part3 | Certified Lean Six Sigma Green Belt

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Question #1
Select all the statements that are true after reviewing the Capability Analysis shown here. (Note:There are 4 correct answers).
A. The process is out of Control
B. The process is properly assumed to be a Normal process
C. The Mean of the process moving range is 1
D. This Capability Analysis used subgroups
E. Majority of the dimensional values are outside of the tolerance than within
View answer
Correct Answer: BCDE
Question #2
The essence of Lean is to concentrate effort on removing waste while improving process flow to achieve speed and agility at lower cost.
A. True
B. False
View answer
Correct Answer: A
Question #3
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 #4
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 #5
The very best way to begin an effort to map a process is to do which of these?
A. nterview the manager of the department
B. nterview the process owner
C. alk the actual process from beginning to end
D. ake pictures of the factory floor at each shift
View answer
Correct Answer: C
Question #6
A periodic time frame can be used to arrange for Control Limit and Center Line calculations withgood SPC implementation in a process.
A. rue
B. alse
View answer
Correct Answer: A
Question #7
Multiple Linear Regressions (MLR) is best used when which of these are applicable? (Note: There are3 correct answers).
A. on-linear relationships between the inputs X’s and output Y
B. ncertainty in the slope of the linear relationship between an X and a Y
C. elationships between Y (output) and more than one X (Input)
D. reventing the use of a Designed Experiment if unnecessary
E. e assume that the X’s are independent of each other
View answer
Correct Answer: CDE
Question #8
A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a _____________Chart.
A. SIPOC
B. Multi-Vari
C. Box Plot
D. Whisker
View answer
Correct Answer: B
Question #9
__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.
A. Skewed
B. Bimodal
C. Gaussian
D. Tri-peaked
View answer
Correct Answer: A
Question #10
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 #11
The actual experimental response data varied somewhat from what a Belt had predicted them to be. This is the result of which of these?
A. Inefficiency of estimates
B. Residuals
C. Confounded data
D. Gap Analysis
View answer
Correct Answer: B
Question #12
As part of a Visual Factory plan __________ cards are created and utilized to identify areas in need of cleaning and organization.
A. Kanban
B. Kaizen
C. Poke - Yoke
D. WhoSai
View answer
Correct Answer: A
Question #13
__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.
A. Skewed
B. Bimodal
C. Gaussian
D. Tri-peaked
View answer
Correct Answer: A
Question #14
Select all the statements that are true after reviewing the Capability Analysis shown here. (Note:There are 4 correct answers).
A. The process is out of Control
B. The process is properly assumed to be a Normal process
C. The Mean of the process moving range is 1
D. This Capability Analysis used subgroups
E. Majority of the dimensional values are outside of the tolerance than within
View answer
Correct Answer: BCDE
Question #15
If a process has Outliers which pair of charts is most preferable if subgroups will exist for the Continuous Data?
A. Individual-Moving Range
B. Xbar-R Charts
C. Xbar-S Charts
D. nP and P Charts
View answer
Correct Answer: B
Question #16
__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.
A. Skewed
B. Bimodal
C. Gaussian
D. Tri-peaked
View answer
Correct Answer: A
Question #17
SPC on the outputs is more preferred than SPC on the inputs when implementing SPC for your process.
A. True
B. False
View answer
Correct Answer: B
Question #18
__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.
A. Skewed
B. Bimodal
C. Gaussian
D. Tri-peaked
View answer
Correct Answer: A
Question #19
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 #20
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 #21
A primary benefit of using a Multi-Vari Chart is it provides a visual presentation of two-way interactions.
A. True
B. False
View answer
Correct Answer: A
Question #22
The use of station warning lights, tool boards and jidohka devices in the application of Lean accomplish which of these principles?
A. ilferage Minimization
B. isual Factory
C. anagement Awareness
D. perator Attentiveness
View answer
Correct Answer: B
Question #23
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 #24
SPC on the outputs is more preferred than SPC on the inputs when implementing SPC for your process.
A. True
B. False
View answer
Correct Answer: B
Question #25
A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a _____________Chart.
A. SIPOC
B. Multi-Vari
C. Box Plot
D. Whisker
View answer
Correct Answer: B
Question #26
A primary benefit of using a Multi-Vari Chart is it provides a visual presentation of two-way interactions.
A. True
B. False
View answer
Correct Answer: A
Question #27
The Regression Model for an observed value of Y contains the term ?o which represents the Y axis intercept when X = 0.
A. True
B. False
View answer
Correct Answer: A
Question #28
__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.
A. Skewed
B. Bimodal
C. Gaussian
D. Tri-peaked
View answer
Correct Answer: A
Question #29
A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a _____________Chart.
A. SIPOC
B. Multi-Vari
C. Box Plot
D. Whisker
View answer
Correct Answer: B
Question #30
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 #31
The data on SPC charts are typically constructed such that they have the most recent data point onthe right hand side.
A. rue
B. alse
View answer
Correct Answer: A
Question #32
Multiple Linear Regressions (MLR) is best used when which of these are applicable? (Note: There are 3 correct answers).
A. Non-linear relationships between the inputs X's and output Y
B. Uncertainty in the slope of the linear relationship between an X and a Y
C. Relationships between Y (output) and more than one X (Input)
D. Preventing the use of a Designed Experiment if unnecessary
E. We assume that the X's are independent of each other
View answer
Correct Answer: CDE
Question #33
When analyzing a data set we frequently graph one metric as a function of another. If the slope of the Correlation line is -2.5 we would say the two metrics are ___________ correlated?
A. Positively
B. Not
C. Negatively
D. None
View answer
Correct Answer: C
Question #34
A Belt will occasionally do a quick experiment referred to as an OFAT which stands for ____________________.
A. Only a Few Are Tested
B. Opposite Factors Affect Technique
C. One Factor At a Time
D. Ordinary Fractional Approach Technique
View answer
Correct Answer: C
Question #35
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 #36
After a Belt has put data through the smoothing process which chart would be used to look for trends in the data?
A. ulti-Vari Chart
B. bar Chart
C. areto Chart
D. oving Average Chart
View answer
Correct Answer: D
Question #37
A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a _____________Chart.
A. SIPOC
B. Multi-Vari
C. Box Plot
D. Whisker
View answer
Correct Answer: B
Question #38
The Regression Model for an observed value of Y contains the term ?o which represents the Y axis intercept when X = 0.
A. True
B. False
View answer
Correct Answer: A
Question #39
Select all the statements that are true after reviewing the Capability Analysis shown here. (Note:There are 4 correct answers).
A. The process is out of Control
B. The process is properly assumed to be a Normal process
C. The Mean of the process moving range is 1
D. This Capability Analysis used subgroups
E. Majority of the dimensional values are outside of the tolerance than within
View answer
Correct Answer: BCDE
Question #40
A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a _____________Chart.
A. SIPOC
B. Multi-Vari
C. Box Plot
D. Whisker
View answer
Correct Answer: B
Question #41
Select all the statements that are true after reviewing the Capability Analysis shown here. (Note:There are 4 correct answers).
A. The process is out of Control
B. The process is properly assumed to be a Normal process
C. The Mean of the process moving range is 1
D. This Capability Analysis used subgroups
E. Majority of the dimensional values are outside of the tolerance than within
View answer
Correct Answer: BCDE
Question #42
A primary benefit of using a Multi-Vari Chart is it provides a visual presentation of two-way interactions.
A. True
B. False
View answer
Correct Answer: A
Question #43
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 #44
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 #45
Select all the statements that are true after reviewing the Capability Analysis shown here. (Note:There are 4 correct answers).
A. The process is out of Control
B. The process is properly assumed to be a Normal process
C. The Mean of the process moving range is 1
D. This Capability Analysis used subgroups
E. Majority of the dimensional values are outside of the tolerance than within
View answer
Correct Answer: BCDE
Question #46
If a process has Outliers which pair of charts is most preferable if subgroups will exist for theContinuous Data?
A. ndividual—Moving Range
B. bar-R Charts
C. bar-S Charts
D. P and P Charts
View answer
Correct Answer: B
Question #47
Which statement(s) describe an undesirable situation when implementing SPC?
A. he lower Control Limit for the R chart is equal to zero
B. ttempt to use SPC for tracking transaction times at a warehouse
C. process is in Statistical Control before implementation of SPC
D. he Control Limits are wider than the customer specification limits
View answer
Correct Answer: D
Question #48
__________ Distributions occur when data comes from several sources that are supposed to be the same yet are not.
A. Skewed
B. Bimodal
C. Gaussian
D. Tri-peaked
View answer
Correct Answer: A
Question #49
The Empirical Rule is important because it provides an estimate of the probability of an event occurring depending on the Standard Deviation from the Mean.
A. True
B. False
View answer
Correct Answer: A
Question #50
A Six Sigma tool that helps to screen factors by using graphical techniques to logically subgroup multiple discrete X's plotted against a continuous Y is known as a _____________Chart.
A. SIPOC
B. Multi-Vari
C. Box Plot
D. Whisker
View answer
Correct Answer: B

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