Lean Six Sigma Greenbelt Exam Questions with Complete Solutions
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Course
Six Sigma Green Belt
Institution
Six Sigma Green Belt
What is the best way to select six sigma projects when addressing customer satisfaction issues? - Answer-Process Focus
Excessive conflict within a work team - Answer-has a negative effect on team members and should be avoided
most often results in lose-lose situations
Which is not one of ...
Lean Six Sigma Greenbelt Exam
Questions with Complete Solutions
What is the best way to select six sigma projects when addressing customer satisfaction
issues? - Answer-Process Focus
Excessive conflict within a work team - Answer-has a negative effect on team members
and should be avoided
most often results in lose-lose situations
Which is not one of the three maps of a process that a GBPL needs to consider? -
Answer-What processes competitors use
In the equation Y=f(x) which is an X? - Answer-Inputs and process
causes
Which is not a reason to communicate - Answer-Add complexity
The critical path is - Answer-The path that takes the longest amount of time
A team sponsor champion typically - Answer-Is a liaison between the team and upper
management
Which is not true about a team champion? - Answer-They are an expert in the project
subject matter
Which is the most appropriate data collection tool to use when you have identified
customer measures? - Answer-Survey
Calculate RPN from the following: Severity = 7, Occurrence = 2 and Detectability = 5. -
Answer-70
Which is a component of total variability? - Answer-Measurement variability
What is the standard deviation of the population (not a sample) 10,4,16,12,8 - Answer-
4.00
The number of parts that are returned to the manufacturer is an example of which type
of data? - Answer-Discrete
Count
The definition that states 'total number of deficiencies divided by the total number of
units' represents the calculation for - Answer-DPU
, Which of the following is the most informative measure? - Answer-Continuous rating
from 1-100
Rational subgrouping refers to the following examples except: - Answer-The entire
population under analysis
What is the best tool to use when recording discrete or low-level attribute data? -
Answer-Check sheet
Process mapping can NOT be used to identify - Answer-valuable opportunities for
improvements, process steps that aren't essential but still useful, what process work is
not important to the customer
The primary objective of the analysis phase - Answer-Verify the independent factors
effecting performance
The null hypothesis - Answer-Can be rejected, cannot be rejected but is never accepted
Cycle time is another term for process time - Answer-True
Using a standard normal Z table, what is the z-value if the probability of all defects is
5%? Assume the defects are evenly split above the USL and the LSL. - Answer-1.96
The reported cpk for a process with an average of 28, standard deviation of 1.667, and
upper and lower specification limits of 15 and 35, respectively is 1.4. The process sigma
for this process would be (hint: relationship between cpk and z) - Answer-4.20 (3*1.4)
The difference between setting alpha equal to 0.05 and alpha equal to 0.01 in
hypothesis testing is: - Answer-With alpha equal to 0.05 one is more willing to risk a
type 1 error
An experiment was run to evaluate the effects of hinge thickness and hardness on the
force required to close a door. The following results were recorded. The number of
factors in this experiment are? - Answer-2
Which option does not reflect how replication affects an experiment - Answer-
Replication can be done without increasing treatment effects.
Blocking is valid for all except - Answer-Blocking variables can have as many levels as
desired.
Which statement about confounding is true - Answer-Variables are confounded if their
effects are not separable
Designed experiments - Answer-Can use quantitative and qualitative data.
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