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Free ASQ CSSBB Practice Questions & Answers 2026 Part3 | Six Sigma Black Belt

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Question #1
A ____ from a sample is used to estimate a population _____. The two words that best fill these blanks are:
A. item, value
B. value, statistic
C. statistic, parameter
D. parameter, value
E. parameter, statistic
View answer
Correct Answer: C

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Question #2
The primary metric for a project is reduced cost for process A . Baseline data might include:
A. current maintenance costs
B. current selling price for the products or services output by process A
C. current suggestions from stakeholders of process A
D. all the above
E. none of the above
View answer
Correct Answer: A
Question #3
Which of the following terms is used to describe the risk of a type I error in a hypothesis test?Please choose the correct answer.
A. Power
B. Confidence level
C. Level of significance
D. Beta risk
View answer
Correct Answer: c
Question #4
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a standard deviation of approximately:
A. 6
B. 6/42
C. 6/15
D. 6/ 15
E. none of the above
View answer
Correct Answer: D
Question #5
Deming called the technique of studying a sample to gain understanding of the distribution of a population an “enumerative study.” His main objection to these studies was:
A. they are too difficult to perform correctly
B. they require extensive use of computers
C. they assume a stable distribution
D. random samples are expensive to obtain
E. these studies have a high probability of Type II error
View answer
Correct Answer: C
Question #6
The process of having a six sigma team develop a problem statement helps the team to?Please choose the correct answer.
A. agree on key dates associated with completing major project phases
B. achieve consensus and ownership of the process
C. determine solutions
D. determine how often it should meet
View answer
Correct Answer: b
Question #7
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a standard deviation of approximately:
A. 6
B. 6/42
C. 6/15
D. 6/ 15
E. none of the above
View answer
Correct Answer: D
Question #8
There are 14 different defects that can occur on a completed time card. The payroll departmentcollects 328 cards and finds a total of 87 defects. DPMO =:
A. 7 ÷ 328
B. 7 ÷ (328 × 14)
C. 4 ÷ 87
D. 7 ÷ 14 × 1,000,000
E. 28 ÷ 87
F. 7 × 1,000,000 ÷ (14 × 328)
View answer
Correct Answer: F
Question #9
A random sample is selected from a population of measurements. The mean of the sample is not equal to the mean of the population. This is due to:
A. Type I error
B. Type II error
C. sampling error
D. the population is not normal
E. measurements were not exact
View answer
Correct Answer: C
Question #10
A ____ from a sample is used to estimate a population _____. The two words that best fill these blanks are:
A. item, value
B. value, statistic
C. statistic, parameter
D. parameter, value
E. parameter, statistic
View answer
Correct Answer: C
Question #11
Deming called the technique of studying a sample to gain understanding of the distribution of a population an “enumerative study.” His main objection to these studies was:
A. they are too difficult to perform correctly
B. they require extensive use of computers
C. they assume a stable distribution
D. random samples are expensive to obtain
E. these studies have a high probability of Type II error
View answer
Correct Answer: C
Question #12
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a mean of approximately:
A. 42
B. 42/6
C. 42/15
D. 42/ 15
E. none of the above
View answer
Correct Answer: A
Question #13
Customer segmentation refers to:
A. dividing a particular customer into parts that are more easily understood
B. grouping customers by one or more criteria
C. maintaining secure customer listings to minimize communication among them
D. eliminating or “cutting off” customers with poor credit history
View answer
Correct Answer: B
Question #14
When one team member eagerly answers questions and offers multiple ideas during a meeting, the facilitator should take which of the following actions to balance participation by the other team members?
A. sk the group why everyone is not participating
B. olicit input from other team members
C. ave an off-line conversation with the dominant team member
D. ose probing questions of the dominant team member
View answer
Correct Answer: B
Question #15
George is an employee of Black, Inc. John is George’s internal customer. Which statement is true?
A. John is employed by Black, Inc
B. John is employed by another company that supplies material to Black, Inc
C. John is employed by a company that purchases material from black, Inc
D. John is employed by another company that has a fiduciary agreement with Black, Inc
E. John is employed by another company as an internal auditor
View answer
Correct Answer: A
Question #16
The first step in the rapid setup method is to
A. dentify the ideal setup process
B. ssess the cost of changing the current setup method
C. ocument the current setup procedure
D. nalyze the potential for automating the setup process
View answer
Correct Answer: C
Question #17
.If DPU = 0.022, the RTU is approximately:
A. 0
B. 0
C. 0
D. 0
E. 0
F. 0
View answer
Correct Answer: D
Question #18
Which of the following symbols is used to denote a sample standard deviation?
A.
B.
C.
D.
View answer
Correct Answer: C
Question #19
Which of these graphs demonstrates conditions which would be sufficient to enable OCAP for the process?
A. bar Chart
B. ime Series Chart
C. either
D. oth
View answer
Correct Answer: A
Question #20
Causes in a cause and effect diagram often include management, measurement systems, Mother Nature and the four standard causes:
A. man, material, methods, machines
B. man, manufacturing, methods, material
C. marketing, methods, material, machines
D. man, material, millennium, machines
E. none of the above
View answer
Correct Answer: A
Question #21
This is an example of part of a:
A. FD Matrix
B. ctivity Network Diagram
C. nterrelationship Diagram
D. ffinity Diagram
View answer
Correct Answer: A
Question #22
At a particular time, three components are in parallel and each has a reliability of 0.98. What is the reliability of the system?
A. 0
B. 0
C. 0
D. 0
E. none of the above
View answer
Correct Answer: E
Question #23
Control Charts were developed by Dr. Shewhart to track data over time. To detect Special Cause variation the Control Charts use which of these?
A. ata shift analysis
B. utlier analysis methods
C. enter Line and Control Limits
D. one of the above
View answer
Correct Answer: C
Question #24
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a standard deviation of approximately:
A. 6
B. 6/42
C. 6/15
D. 6/ 15
E. none of the above
View answer
Correct Answer: D
Question #25
A ____ from a sample is used to estimate a population _____. The two words that best fill these blanks are:
A. item, value
B. value, statistic
C. statistic, parameter
D. parameter, value
E. parameter, statistic
View answer
Correct Answer: C
Question #26
A project activity not on the critical path has required 20% longer than the time originally allocated. The project team should:
A. inform all concerned that the entire project will be delayed by 20%
B. inform all concerned that the entire project will be delayed but by less than 20%
C. study the effect this will have on other activities because the project may still be on schedule
View answer
Correct Answer: C
Question #27
After gathering data from a benchmarking study, the team should develop a gap analysis to
A. nalyze the causes of critical issues
B. dentify possible causes of the problem
C. reate a critical path for the project
D. rovide input for organizational change
View answer
Correct Answer: D
Question #28
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a standard deviation of approximately:
A. 6
B. 6/42
C. 6/15
D. 6/ 15
E. none of the above
View answer
Correct Answer: D
Question #29
After a team has engaged in diversion activities they may need to employ a tool for conversion. Examples of such a tool are: 1. nominal group technique 2. multivoting 3. cause and effect diagram 4. activity network diagram 5. matrix diagrams
A. III and IV
B. IV and V
C. II and III
D. I and II
View answer
Correct Answer: D
Question #30
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a mean of approximately:
A. 42
B. 42/6
C. 42/15
D. 42/ 15
E. none of the above
View answer
Correct Answer: A
Question #31
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a standard deviation of approximately:
A. 6
B. 6/42
C. 6/15
D. 6/ 15
E. none of the above
View answer
Correct Answer: D
Question #32
If DPU = 0.022, the RTU is approximately:
A.
B.
C.
D.
E.
F.
View answer
Correct Answer: D
Question #33
A team is investigating ways to reduce power outages. They determine that an outage can occur in only three ways: grid failure, local transformer failure or local overload. They then investigate each of these three events for possible causes, etc. They draw a diagram that “fans out” using the power outage as the handle of the fan. These improvements are best described by which approach to problem solving?
A. Affinity diagram
B. Inter-relationship digraph
C. Tree diagram
D. Process decision program chart
E. Matrix diagram
F. Prioritization matrix
G. Activity network diagram
View answer
Correct Answer: C
Question #34
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a standard deviation of approximately:
A. 6
B. 6/42
C. 6/15
D. 6/ 15
E. none of the above
View answer
Correct Answer: D
Question #35
Customer requirement #3 has a ______________ relationship with technical feature #3.
A. strong
B. moderate
C. weak
View answer
Correct Answer: B
Question #36
The team in the above problem draws arrows from Post-It® notes that are causes to notes that are the effects of these causes. This step is best described by which approach to problem solving?
A. Affinity diagram
B. Inter-relationship digraph
C. Tree diagram
D. Process decision program chart
E. Matrix diagram
F. Prioritization matrix
G. Activity network diagram
View answer
Correct Answer: B
Question #37
Which of the following best describes a controlled variable whose influence on a response is being studied?Please choose the correct answer.
A. Replicate
B. Version
C. Level
D. Factor
View answer
Correct Answer: d
Question #38
.A team has been asked to reduce the cycle time for a process. The team decides to collect baseline data. It will do this by:
A. seeking ideas for improvement from all stakeholders
B. researching cycle times for similar processes within the organization
C. obtaining accurate cycle times for the process as it currently runs
D. benchmarking similar processes outside the organization
View answer
Correct Answer: C
Question #39
There are 14 different defects that can occur on a completed time card. The payroll departmentcollects 328 cards and finds a total of 87 defects. DPU =
A. 7 ÷ 328
B. 7 ÷ (328 × 14)
C. 4 ÷ 87
D. 7 ÷ 14
E. 28 ÷ 87
F. 7 × 1,000,000 ÷ (14 × 328)
View answer
Correct Answer: A
Question #40
Deming called the technique of studying a sample to gain understanding of the distribution of a population an “enumerative study.” His main objection to these studies was:
A. they are too difficult to perform correctly
B. they require extensive use of computers
C. they assume a stable distribution
D. random samples are expensive to obtain
E. these studies have a high probability of Type II error
View answer
Correct Answer: C
Question #41
A population of size 1,000,000 has mean 42 and standard deviation 6. Sixty random samples, each of size 15 are selected. According to the Central Limit Theorem the distribution of the sixty sample means has a mean of approximately:
A. 42
B. 42/6
C. 42/15
D. 42/ 15
E. none of the above
View answer
Correct Answer: A
Question #42
A process produced 1394 units. During this time 11 defects were detected. The Rolled Throughput Yield ( RTU) is approximately:
A. 0
B. 7
C. 0
D. 1
E. all of the above
F. none of the above
View answer
Correct Answer: A
Question #43
If the production is for higher volume and monitoring and the Mean and variability is to be monitored for four machines producing product and the characteristic tobe monitored is Variable Data, which SPC Chart is best to be selected?
A. Xbar-R Chart
B. Individual-MR Chart
C. NP Chart
D. CUSUM Chart
View answer
Correct Answer: A
Question #44
A random sample is selected from a population of measurements. The mean of the sample is not equal to the mean of the population. This is due to:
A. Type I error
B. Type II error
C. sampling error
D. the population is not normal
E. measurements were not exact
View answer
Correct Answer: C
Question #45
There are 14 different defects that can occur on a completed time card. The payroll department collects 328 cards and finds a total of 87 defects. DPU =
A. 87 ÷ 328
B. 87 ÷ (328 × 14)
C. 14 ÷ 87
D. 87 ÷ 14
E. 328 ÷ 87
F. 87 × 1,000,000 ÷ (14 × 328)
View answer
Correct Answer: A
Question #46
Correction, over-production, inventory, and motion are all examples of:Please choose the correct answer.
A. waste
B. 5S target areas
C. Noise
D. value-added activities
View answer
Correct Answer: a
Question #47
A random sample of 2500 printed brochures is found to have a total of three ink splotches. The rate of ink splotches in PPM is:
A. 1,000,000 ÷ 2500 × 3
B. 2500 ÷ 1,000,000 × 3
C. 3 ÷ 2500 × 1,000,000
D. 3 × 2500 ÷ 1,000,000
View answer
Correct Answer: C
Question #48
Which of the following statements best describes the relationship between a project charter and a project plan?
A. project plan is revised based on tollgates identified in the charter
B. project charter is used to identify the scope of the plan
C. project plan is used to initiate the charter
D. project charter is used to detail each step of the plan
View answer
Correct Answer: B
Question #49
In SPC, on an X# and R chart it is desirable that the X# chart detects process shift, and the R chart captures
A. he sample size
B. ssignable cause variation
C. ommon cause variation
D. rends
View answer
Correct Answer: B
Question #50
Deming called the technique of studying a sample to gain understanding of the distribution of a population an “enumerative study.” His main objection to these studies was:
A. they are too difficult to perform correctly
B. they require extensive use of computers
C. they assume a stable distribution
D. random samples are expensive to obtain
E. these studies have a high probability of Type II error
View answer
Correct Answer: C
Question #51
Which of the following design methodologies brings attention to the need to optimize design?
A. MADOV
B. MAIC
C. RIX
D. MADV
View answer
Correct Answer: A
Question #52
Which of the following requires "voice of the customer" and "voice of the process" to determine how good a process is?
A. rocess capability
B. heory of constraints
C. rocess control
D. uality function deployment
View answer
Correct Answer: A
Question #53
A random sample is selected from a population of measurements. The mean of the sample is not equal to the mean of the population. This is due to:
A. Type I error
B. Type II error
C. sampling error
D. the population is not normal
E. measurements were not exact
View answer
Correct Answer: C
Question #54
Deming called the technique of studying a sample to gain understanding of the distribution of a population an “enumerative study.” His main objection to these studies was:
A. they are too difficult to perform correctly
B. they require extensive use of computers
C. they assume a stable distribution
D. random samples are expensive to obtain
E. these studies have a high probability of Type II error
View answer
Correct Answer: C

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