YELLOW BELT EXAMINATION
QUESTIONS AND ANSWERS
1. What is the PGA ( Practical Graphical Analytical ) Process ?
A) A method for categorizing data
B) A process to determine if our measurement system is good
C) A Tee off time
D) The three basic steps of data analysis - Correct Answers -D) The three basic steps
of data analysis
2. Data can only be used in Six Sigma projects , not in every day situations.
True or False - Correct Answers -False
3. Data are observations about the following (click all that apply):
A) Object
B) Process
C) Person
D) Strategy
E) Event - Correct Answers -A, B, C, E
68. At Cummins, we are all part of the Customer Value Chain. What is the best way that
all of us can bring the most value to that chain?
A) prepare for audits
B) prevent defects
C) know our customers and provide products and services to meet their requirements
D) do whatever we are told - Correct Answers -C
69. True or False:
A) ZDM is a journey.
B) a small defect is okay.
C) improvement projects can reduce defects.
D) a ZDM increases personal satisfaction. - Correct Answers -A - true
B - false
C - true
D - true
, Attribute or Discrete - Correct Answers -Finite amount of items, categorical data,
boolean/binary data
Continuous - Correct Answers -Numeric values that can go on infinitely, fractions and
percentages
Qualitative - Correct Answers -Non - numeric data that represents experience
requirements
Range - Correct Answers -The difference between the maximum and minimum values
in a data set
Variance - Correct Answers -A measure of variation in a data set
Standard Deviation - Correct Answers -The square root of the variance of a data set
5. Select the best definition of statistics.
A) Statistics is the use of data in product design.
B) Statistics is the art and science of describing, interpreting and analyzing data.
C) Statistics is using sticky notes to understand requirements.
D) Statistics is the use of tools in projects. - Correct Answers -B) Statistics is the art and
science of describing, interpreting and analyzing data..
6. A Pareto chart is used to see which category occurs most to least frequently. It is
used to identify opportunities for improvement.
True or False - Correct Answers -True
7. Click on the data in the histogram that is the outlier. - Correct Answers -
8. Box plots help us compare multiple samples of data. Which shift has more variation in
the weights produced?
Evening or Morning - Correct Answers -Evening
9. Time series plots track data over time. Which shift below seems to have the most
consistent data over time?
Evening or Morning - Correct Answers -Morning
10. The purpose of ______________ is to summarize important characteristics of data
with information we cannot see from looking at a table.
A) Descriptive statistics
B) Continuous Improvement
QUESTIONS AND ANSWERS
1. What is the PGA ( Practical Graphical Analytical ) Process ?
A) A method for categorizing data
B) A process to determine if our measurement system is good
C) A Tee off time
D) The three basic steps of data analysis - Correct Answers -D) The three basic steps
of data analysis
2. Data can only be used in Six Sigma projects , not in every day situations.
True or False - Correct Answers -False
3. Data are observations about the following (click all that apply):
A) Object
B) Process
C) Person
D) Strategy
E) Event - Correct Answers -A, B, C, E
68. At Cummins, we are all part of the Customer Value Chain. What is the best way that
all of us can bring the most value to that chain?
A) prepare for audits
B) prevent defects
C) know our customers and provide products and services to meet their requirements
D) do whatever we are told - Correct Answers -C
69. True or False:
A) ZDM is a journey.
B) a small defect is okay.
C) improvement projects can reduce defects.
D) a ZDM increases personal satisfaction. - Correct Answers -A - true
B - false
C - true
D - true
, Attribute or Discrete - Correct Answers -Finite amount of items, categorical data,
boolean/binary data
Continuous - Correct Answers -Numeric values that can go on infinitely, fractions and
percentages
Qualitative - Correct Answers -Non - numeric data that represents experience
requirements
Range - Correct Answers -The difference between the maximum and minimum values
in a data set
Variance - Correct Answers -A measure of variation in a data set
Standard Deviation - Correct Answers -The square root of the variance of a data set
5. Select the best definition of statistics.
A) Statistics is the use of data in product design.
B) Statistics is the art and science of describing, interpreting and analyzing data.
C) Statistics is using sticky notes to understand requirements.
D) Statistics is the use of tools in projects. - Correct Answers -B) Statistics is the art and
science of describing, interpreting and analyzing data..
6. A Pareto chart is used to see which category occurs most to least frequently. It is
used to identify opportunities for improvement.
True or False - Correct Answers -True
7. Click on the data in the histogram that is the outlier. - Correct Answers -
8. Box plots help us compare multiple samples of data. Which shift has more variation in
the weights produced?
Evening or Morning - Correct Answers -Evening
9. Time series plots track data over time. Which shift below seems to have the most
consistent data over time?
Evening or Morning - Correct Answers -Morning
10. The purpose of ______________ is to summarize important characteristics of data
with information we cannot see from looking at a table.
A) Descriptive statistics
B) Continuous Improvement
