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Lean Six Sigma Green Belt Exam Questions And Answers 2024 | SPOTO

The Lean Six Sigma Green Belt certification is ideal for professionals seeking to enhance their skills in process improvement and operational excellence. This certification focuses on applying Six Sigma methodologies and the DMAIC framework to solve real-world business challenges. To excel in this exam, candidates must understand statistical analysis, project management techniques, and Lean principles. SPOTO offers comprehensive Lean Six Sigma Green Belt exam questions and answers for 2024, designed to prepare you thoroughly for certification success. These materials include practice tests, detailed explanations, and study guides, ensuring you are ready for every aspect of the exam. Whether you are just starting your Six Sigma journey or aiming to advance your career, SPOTO’s expertly curated resources will boost your confidence and help you achieve certification on your first try!
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Question #1
For a Normal Distribution the Mean, Median and Mode are the same data point.
A. True
B. False
View answer
Correct Answer: A
Question #2
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 #3
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 #4
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 when they use their personal vehicles for their office commute while 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. For the employees choosing to increas
A. 1 minute
B. 6 minutes
C. 3
D. Eliminate it to 0
View answer
Correct Answer: C
Question #5
According to the definition of Rolled Throughput Yield which of these items best describe the purpose of RTY?
A. A function of Y=f(x)
B. Accounts for losses due to rework and scrap
C. Isolates the increase throughput
D. Determines incremental Growth
View answer
Correct Answer: B
Question #6
What is the name of the Six Sigma roadmap that is used for design rather than improving the manufacturing of a product?
A. MSA
B. DMAIC
C. DMADV
D. DOE
View answer
Correct Answer: C
Question #7
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 #8
Hypothesis Tests determine the probabilities of differences between observed data and the hypothesis being solely due to _________ based on the result of the P-values.
A. Human error
B. Measurement error
C. Shift differences
D. Chance
View answer
Correct Answer: D
Question #9
Those who are trained to the skill levels of a Black Belt are typically utilized to apply Lean Six Sigma methodologies what percentage of their time?
A. 25%
B. 50%
C. 75%
D. 100%
View answer
Correct Answer: D
Question #10
It is a Type I error if we reject the Null Hypothesis when it is actually true.
A. True
B. False
View answer
Correct Answer: A
Question #11
The use of station warning lights, tool boards and jidohka devices in the application of Lean accomplish which of these principles?
A. Pilferage Minimization
B. Visual Factory
C. Management Awareness
D. Operator Attentiveness
View answer
Correct Answer: B
Question #12
Having an Alpha of .05 and a Beta of .10 are the most common risk levels when running a Statistical test.
A. True
B. False
View answer
Correct Answer: A
Question #13
A 1-Sample t-test is used to compare an expected population Mean to a target.
A. True
B. False
View answer
Correct Answer: A
Question #14
Which element of waste best describes "the unnecessary movement of materials and/or goods"?
A. Overprocessing
B. Motion
C. Conveyance
D. Correction
View answer
Correct Answer: C
Question #15
__________ 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 #16
Contingency Tables are used to perform which of these functions?
A. The most appropriate Central Tendency to test is the Means
B. An appropriate test to test Central Tendency is the Levene's test
C. An appropriate test to test Central Tendency is the ANOVA test
D. An appropriate test to test Central Tendency is the Mood's Median test
View answer
Correct Answer: D
Question #17
Customers make a purchase decision based on a number of factors. In Lean Six Sigma we refer to these decision points as CTQ's or as ____________________.
A. Critical-to-quality
B. Conscious thought qualities
C. Conspicuous time quandaries
D. Cost of the quantity
View answer
Correct Answer: A
Question #18
Significant variation in process performance is a consequence of several causes that can be classified using which of the terminologies shown. (Note: There are 2 correct answers).
A. Train personnel often and thoroughly
B. Keep a Six Sigma project going on the process at all times
C. Design defect prevention into the product
D. Have each process consist of no more than five steps
View answer
Correct Answer: A,D
Question #19
Hypothesis Testing can save time and help avoid high costs of experimental efforts by using existing data.
A. True
B. False
View answer
Correct Answer: A
Question #20
Inferential Statistics is largely about Significance. There are both Practical and _______________ Significance to consider during an analysis of data in a Lean Six Sigma project.
A. Problematic
B. Impractical
C. Usable
D. Statistical
View answer
Correct Answer: D
Question #21
The Six Sigma methodology had its origins at __________________ in the late 1980's when William Smith coined the name for quality related work being done there.
A. Motorola
B. Allied Signal
C. General Electric
D. Honeywell
View answer
Correct Answer: A
Question #22
When utilizing Statistics the population is defined as a collection of all the individual data points of interest.
A. True
B. False
View answer
Correct Answer: A
Question #23
The Lean Principle action in the 5S approach that deals with having those items needed regularly at hand and those items need less regularly stored out of the way is known as ___________.
A. Shining
B. Standardizing
C. Sustaining
D. Sorting
View answer
Correct Answer: D
Question #24
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 #25
The following Business Case is constructed properly."In business unit A there are too many flashlight returns and flashlight sales have decreased by 25 percent."
A. True
B. False
View answer
Correct Answer: B

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