Examination Paper of Six Sigma Green Belt
IIBM Institute of Business Management 1
CERTIFIED SIX SIGMA GREEN BELT
EXAMINATION PAPER
Guideline for paper
• Total No. of Question is 100.
• The minimum passing marks is 40%
• Each question carries 1 mark.
• Answer all the questions.
Total: 100 Marks
1. The Following is a sample
data set.
10 8 8 6 5
What is the variance of this
data set?
a. 3.0
b. 3.8
c. 7.3
d. 7.4
2. An auditor should use a
histogram in a quality audit to do which of the following?
a. Provide objective evidence
that the audited uses statistical process control (SPC)
b. Expose patterns that are
normally difficult to detect
c. Interpret data for a trend
chart
d. create a stratified tally
diagram
3. Comparing how a process is
actually performed against the documented work instruction for that
process is an example of
which of the following techniques?
a. Quantitative
b. Qualitative
c. Statistical
d. Random sampling
4. Attribute sampling should
be used when
a. The data are measurements
in metric units.
b. Ayes-or-no decision is to
be made.
c. The population has
variability.
………………………
resource department?
a. Intermediate
b. Hidden
c. External
d. Internal
16. The primary purpose of a
project charter is to
a. Subdivide the project into
smaller, more manageable components
b. Provide management with a
tool for selecting a project that addresses business needs
c. Provide management with a
tool to ensure that project deadlines are met
d. Provide the project
manager with authority to apply organizational resources to project activities
17. Sample selection of parts
for inspection must be selected at random to ensure
a. A minimum sample size.
b. The probability of not
rejecting the lot
c. The probability of
accepting the lot
d. Finding typical
characteristics of the lot.
18. Which of the following
are bases for establishing calibration intervals?
I. Stability
II.Purpose
III.Degree of usage
a. I and II only
b. I and III only
c. II and III only
d. I, II, and III
19. Specification limits are
derived from which of the following?
a. Process capability studies
b. Process control charts
c. Customer requirements
………………………….
b. U chart
c. Np chart
d. C chart
31. A cause and effect
diagram is a useful tool for doing which of the following?
a. Determining the flow of a
process
b. Detecting shifts in a
process
c. Developing theories based
on symptoms
d. Arranging theories by
defect count
32. Which of the following
statistics would best describe the central tendency of a sample of data?
a. Mode
b. Mean
c. Standard deviation
d. Range
33. Which of the following
types of tools or techniques is considered qualitative?
a. Histogram
b. Frequency distributions
c. Pareto chart
d. Process observations
34. Which of the following
techniques is most useful in narrowing issues and limiting discussion?
a. Brainstorming
b. Quality function
deployment
c. Cause and effect analysis
d. Mutilating
35. In statistics, an
estimation error that is persistent or systematic is called
a. Bias
b. Sensitivity
c. Random
d. Shift
………………………….
44. Which of the following
types of variation is LEAST likely to occur in sequential repetitions of a
process over a short period
of time?
a. Cyclical
b. Positional
c. Temporal
d. Seasonal
Examination Paper of Six Sigma Green Belt
IIBM Institute of Business Management 7
45. The primary reason that
most companies implement six sigma is to
a. Reduce defects
b. Improve Processes
c. Improve profit
d. Increase customer
satisfaction
46. The term used to describe
the risk of a type I error in a test of hypotheses is
a. Power
b. Confidence level
c. Level of significance
d. Beta risk
………………………………
59. Which of the following
tools would be most appropriate for collecting data to study the symptoms of
a problem?
a. A check sheet
b. A flow diagram
c. A force field analysis
d. An activity network
diagram
Examination Paper of Six Sigma Green Belt
IIBM Institute of Business Management 9
60. Kaizen is defined as
a. Re-engineering
b. Lean manufacturing
c. Continuous improvement
d. Error –proofing
61. The LEAST informative of
the four measurement scales is the
a. Ratio
b. Nominal
c. Ordinal
d. Interval
62. Which of the following
can used to determine the goodness of fit of a distribution to a data …………………………………..
b. Displays the strength of
relationship between each paired combination of variables
c. Identifies, analyzes, and
classifies the cause and effect relationship that among all critical issues
d. Identifies a sequence of
actions and materials entering a process
73. Poka-yake is best defined
as
a. Improving machine
efficiency
b. Reducing field failures to
virtually zero
c. Capturing the voice of the
customer
d. Preventing controllable
defects
74. Which of the following
describes the 95% confidence interval of a 20% absentee rate in a department
with 30 people?
a. 6% to 34%
b. 8% to 32%
c. 13% to 27%
d. 17% to 23%
75. Which of the following
are needed to calculate the process capability index,Cp?
a. The specification limits
and the mean
b. The specification limits
and s^ (Sigma Cap)
Examination Paper of Six Sigma Green Belt
IIBM Institute of Business Management 11
c. The process mean and
s^(Sigma Cap)
d. The upper and lower
specification limits
76. Repeatability and
reproducibility are terms that operationally define
a. Bias
b. Accuracy
c. Discrimination
d. Precision’
77. A method that classifies
data without significantly reducing accuracy or precision is known as
a. Bias adjustment
b. Statistical efficiency
c. Blocking
d. Coding
………………………………..
86. In preparation for
construction of a cause and effect diagram, it is important to
a. Plot separate chart for
each source
b. Focus only on what makes
thing go wrong
c. Record everything people
suggest
d. Validate possible root
cause
87. Which of the following
tools should be used a team is generating and prioritizing a list of options
that
include highly controversial
issues?
a. Brainstorming
b. Affinity diagram
c. Nominal group technique
d. 5 whys
88. If a distribution is
normal, u=50 s=15, what percentage of data will be less than 30?
a. 59.18%
b. 40.82%
c. 9.18%
d. 1.33%
89. A company is receiving an
unusually high number of returns from various customers. The first step in
investigating the problem
would be to
a. Check the inspection
records
b. Establish the correlation
of the returns to shipments
c. Brainstorm the potential
causes
d. Classify the returns by
type and degree of serious
90. Which of the following is
the best definition of a flow chart?
………………………………….
98. Which of the following
statement best describes the set all value of a random variable?
a. It is finite.
b. It is an interval
c. It can be discrete or
continuous.
d. It can be tracked by using
control charts or scatter plots.
Examination Paper of Six Sigma Green Belt
IIBM Institute of Business Management 14
99. Which of the following is
the best description of randomization?
a. A technique used to
increase the precision of an experiment
b. A means of assuring
representative sampling
c. The repetition of an
observation or measurement
d. The relationship between
two or more variables
100. When the order of items
is not important, which of the following is the method to use to determine
the number of sets and
subsets of items?
a. Combination
b. Permutation
c. Factorization
d. Simulation
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