Green Belt Exam Questions ACTUAL
QUESTIONS AND CORRECT ANSWERS
What is the Mean, Mode & Median for the data in Column 1, Data Set A?
a. Mean = 8.7, Mode = 8, Median = 7
b. Mean = 8.7, Mode = 7, Median = 8
c. Mean = 8, Mode = 8.7, Median = 7
d. Mean = 7, Mode = 7, Median = 8.7
e. Mean = 8, Mode = 8, Median = 7 - CORRECT ANSWERS Answer B
Formula:
Mean = Sum(x)/n = 8.7
Mode = Most frequent value = 7
Median = because sample is even (n=50), the median is the average of the
(n/2)th and ((n/2)+1)th values in the sorted series = 8
Please reference Quantifying Process Variability for more information.
A call center was experiencing customer complaints about time-on-hold and an
improvement team was formed to solve the problem. The manager of the call
center joined the team's first meeting and informed the team that their project
would be short-lived because the obvious solution to the time-on-hold problem
was to add more phone lines. With this advice as a basis, the team crafted a
problem statement: "Additional phone lines are needed in order to reduce the
average customer time-on-hold from 6.2 minutes to our target of 45 seconds".
Which of the following best describes the problem statement?
a. The statement is too broad to be useful in the particular situation.
b. The statement contains a solution.
c. The statement is not related to the problem described above.
,d. This is a good problem statement.
e. The statement does not fully define "time-on-hold". - CORRECT ANSWERS
Answer B
The problem statement dictates that the solution is "additional phone lines".
Please reference Project Charter for more information.
What will a stakeholder analysis (RACI matrix) help the team do?
a. Narrow the project scope.
b. Reduce the likelihood of project roadblocks.
c. Choose effective team members.
d. Develop a focused problem statement.
e. Choose the most optimal project to pursue. - CORRECT ANSWERS
Answer B
A stakeholder analysis is used to 1) identify those entities that will have
influence on the project, 2) identify the type of influence and 3) develop
strategies to realize the positive influences and reduce any roadblocks due to the
negative influences. Please reference Stakeholder Analysis - RACI Matrix for
more information.
When analyzing a process, which of the following terms represents the inputs?
a. f(X)
b. X
c. Y
d. Result
e. Cost - CORRECT ANSWERS Answer B
, f(X) is the Transfer Function; Y is the process output, also sometimes referred to
as the Result; Cost could be either an input or output. Please reference Input
Determines Output for more information.
The fishbone diagram is used for which of the following?
a. To follow the movement of people in a process
b. To determine process capability
c. To categorize input variables that may be important
d. To prioritize the highest frequency problems
e. To show the process flow - CORRECT ANSWERS Answer C
Please reference Cause & Effect Diagram Toolset for more information.
What is missing from the following Project Charter Business Case statement:
"Process Cycle Time must be reduced in order to meet customer requirements"
?
a. Team leader
b. Scope of project, including "included" and "not included"
c. Amount of improvement required and business impact
d. Measurement system to be used
e. Resources required - CORRECT ANSWERS Answer C
The business case should state the level of improvement required, otherwise,
there will be no may to measure success. In addition, the economic impact
should be included so that it is clear why this project is a priority vs. something
else.
QUESTIONS AND CORRECT ANSWERS
What is the Mean, Mode & Median for the data in Column 1, Data Set A?
a. Mean = 8.7, Mode = 8, Median = 7
b. Mean = 8.7, Mode = 7, Median = 8
c. Mean = 8, Mode = 8.7, Median = 7
d. Mean = 7, Mode = 7, Median = 8.7
e. Mean = 8, Mode = 8, Median = 7 - CORRECT ANSWERS Answer B
Formula:
Mean = Sum(x)/n = 8.7
Mode = Most frequent value = 7
Median = because sample is even (n=50), the median is the average of the
(n/2)th and ((n/2)+1)th values in the sorted series = 8
Please reference Quantifying Process Variability for more information.
A call center was experiencing customer complaints about time-on-hold and an
improvement team was formed to solve the problem. The manager of the call
center joined the team's first meeting and informed the team that their project
would be short-lived because the obvious solution to the time-on-hold problem
was to add more phone lines. With this advice as a basis, the team crafted a
problem statement: "Additional phone lines are needed in order to reduce the
average customer time-on-hold from 6.2 minutes to our target of 45 seconds".
Which of the following best describes the problem statement?
a. The statement is too broad to be useful in the particular situation.
b. The statement contains a solution.
c. The statement is not related to the problem described above.
,d. This is a good problem statement.
e. The statement does not fully define "time-on-hold". - CORRECT ANSWERS
Answer B
The problem statement dictates that the solution is "additional phone lines".
Please reference Project Charter for more information.
What will a stakeholder analysis (RACI matrix) help the team do?
a. Narrow the project scope.
b. Reduce the likelihood of project roadblocks.
c. Choose effective team members.
d. Develop a focused problem statement.
e. Choose the most optimal project to pursue. - CORRECT ANSWERS
Answer B
A stakeholder analysis is used to 1) identify those entities that will have
influence on the project, 2) identify the type of influence and 3) develop
strategies to realize the positive influences and reduce any roadblocks due to the
negative influences. Please reference Stakeholder Analysis - RACI Matrix for
more information.
When analyzing a process, which of the following terms represents the inputs?
a. f(X)
b. X
c. Y
d. Result
e. Cost - CORRECT ANSWERS Answer B
, f(X) is the Transfer Function; Y is the process output, also sometimes referred to
as the Result; Cost could be either an input or output. Please reference Input
Determines Output for more information.
The fishbone diagram is used for which of the following?
a. To follow the movement of people in a process
b. To determine process capability
c. To categorize input variables that may be important
d. To prioritize the highest frequency problems
e. To show the process flow - CORRECT ANSWERS Answer C
Please reference Cause & Effect Diagram Toolset for more information.
What is missing from the following Project Charter Business Case statement:
"Process Cycle Time must be reduced in order to meet customer requirements"
?
a. Team leader
b. Scope of project, including "included" and "not included"
c. Amount of improvement required and business impact
d. Measurement system to be used
e. Resources required - CORRECT ANSWERS Answer C
The business case should state the level of improvement required, otherwise,
there will be no may to measure success. In addition, the economic impact
should be included so that it is clear why this project is a priority vs. something
else.
