Six Sigma Black Belt Exam With Complete Solutions
SWOT stands for: - ANSWER strengths, weaknesses, opportunities, threats
In a series of linked processes and associated feedback loops the product or service
flows ________ and the information flows ___ - ANSWER downstream, upstream
A team has been assigned a task to reduce the cycle time of a process. The team
decides to conduct baseline data. It would accomplish it by: - ANSWER getting exact
times for the cycle of the process as it would currently run
Segmentation of customers means - ANSWER dividing customers into groups using one
or more criteria
A project activity not on the critical path has required 20% longer than the time
originally allocated. The project team should - ANSWER study the effect this will have on
other activities because the project may still be on schedule
Quality engineer at a hospital is supposed to improve the locked cabinet nearest to
patient door medication storage process. Relocking of the cabinet with the caddy of
medication left outside is a rare defect. The engineer designs and installs a
gravity-activated arm that will not permit the door to close in case the caddy is not
inside the cabinet. Which approach to problem solving best describes this
improvement? -ANSWER Poka yoke
Operators of a manufacturing cell work out a more orderly arrangement for storing their
tools and institute a schedule for daily cleanup. Which approach to problem solving best
describes these improvements? ANSWER 5S
A team has the objective of a team to enhance information flow in a payroll function.
They create thirty-three Post-It® notes, listing an issue for further investigation on each
one. After some discussion they group them into four categories: mandated record
, keeping, privacy concerns, insurance concerns and transfer concerns. This process is
best described by which of the following approaches to problem solving? - ANSWER
Affinity diagram
The main metric for a project cost reduction for process A. The baseline data may
include - ANSWER current maintenance costs
The term "expected value" closest to the term- ANSWER mean
If the probability of event A occurring is .51, the probability of event B occurring is .64
and events A and B are statistically independent then: - ANSWER the probability of both
A and B happening is 0.3264
The median is a better choice than mean for a measure of central tendency if the data -
ANSWER often has outliers
A team wants a technique to determine and display priorities based upon frequency of
various defect types. They should use - ANSWER Pareto chart
A team wants a technique for improving consistency of assembly operations. They
should use - ANSWER written and diagrammed work instructions
Samples of size n=36 are drawn at random from a population which has mean = 125 and
variance 12. Find the variance of the distribution of sample means. - ANSWER 333
A medicine with efficacy of .52 is given to five patients. Find the approximate probability
that at least one of the patients is cured. (Hint: Use the binomial formula.) - ANSWER
.975
A set of data from a process has 8 readings per sample and 50 samples. The mean of
the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.Find the control limits
for a median chart - ANSWER 12.52 and 12.72
SWOT stands for: - ANSWER strengths, weaknesses, opportunities, threats
In a series of linked processes and associated feedback loops the product or service
flows ________ and the information flows ___ - ANSWER downstream, upstream
A team has been assigned a task to reduce the cycle time of a process. The team
decides to conduct baseline data. It would accomplish it by: - ANSWER getting exact
times for the cycle of the process as it would currently run
Segmentation of customers means - ANSWER dividing customers into groups using one
or more criteria
A project activity not on the critical path has required 20% longer than the time
originally allocated. The project team should - ANSWER study the effect this will have on
other activities because the project may still be on schedule
Quality engineer at a hospital is supposed to improve the locked cabinet nearest to
patient door medication storage process. Relocking of the cabinet with the caddy of
medication left outside is a rare defect. The engineer designs and installs a
gravity-activated arm that will not permit the door to close in case the caddy is not
inside the cabinet. Which approach to problem solving best describes this
improvement? -ANSWER Poka yoke
Operators of a manufacturing cell work out a more orderly arrangement for storing their
tools and institute a schedule for daily cleanup. Which approach to problem solving best
describes these improvements? ANSWER 5S
A team has the objective of a team to enhance information flow in a payroll function.
They create thirty-three Post-It® notes, listing an issue for further investigation on each
one. After some discussion they group them into four categories: mandated record
, keeping, privacy concerns, insurance concerns and transfer concerns. This process is
best described by which of the following approaches to problem solving? - ANSWER
Affinity diagram
The main metric for a project cost reduction for process A. The baseline data may
include - ANSWER current maintenance costs
The term "expected value" closest to the term- ANSWER mean
If the probability of event A occurring is .51, the probability of event B occurring is .64
and events A and B are statistically independent then: - ANSWER the probability of both
A and B happening is 0.3264
The median is a better choice than mean for a measure of central tendency if the data -
ANSWER often has outliers
A team wants a technique to determine and display priorities based upon frequency of
various defect types. They should use - ANSWER Pareto chart
A team wants a technique for improving consistency of assembly operations. They
should use - ANSWER written and diagrammed work instructions
Samples of size n=36 are drawn at random from a population which has mean = 125 and
variance 12. Find the variance of the distribution of sample means. - ANSWER 333
A medicine with efficacy of .52 is given to five patients. Find the approximate probability
that at least one of the patients is cured. (Hint: Use the binomial formula.) - ANSWER
.975
A set of data from a process has 8 readings per sample and 50 samples. The mean of
the 50 sample means is 12.62. The mean of the 50 ranges is 0.18.Find the control limits
for a median chart - ANSWER 12.52 and 12.72
