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Six Sigma Course Practice Test Q&As 3

Question: DMADV is an acronym that stands for:
  Design, Measure, Analyze, Develop, Verify
  Define, Measure, Analyze, Develop, Verify
  Define, Measure, Analyze, Design, Verify
  Design, Measure, Analyze, Develop, Validate

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Define, Measure, Analyze, Design, Verify

Question: In George Eckes' lecture on ten questions regarding Six Sigma, he explains that Six Sigma can be applied to all businesses except those that:
  Have annual revenues less than $30 million
  Do something different every day
  Have been in existence for less than 1 year
  Do very little in the way of manual processes

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Do something different every day

Question: In George Eckes' lecture on ten questions regarding Six Sigma, he states that members of a Six Sigma process improvement team can generally expect to spend ______ of their work time on Six Sigma activities.
  10-20%
  20-30%
  30-40%
  40-50%

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20-30%

Question: In George Eckes' lecture on ten questions regarding Six Sigma, he gives some advice to those who already have a "full plate." What is that advice?
  Rally support for Six Sigma among the middle-to-lower-level employees in your organization
  Dedicate just 30 minutes a day to learning the tools and techniques; it all adds up
  Recognize that it is management's role to incorporate Six Sigma into your job description
  Build a project charter for one Six Sigma project and then seek management approval

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Recognize that it is management's role to incorporate Six Sigma into your job description

Question: In George Eckes' lecture on ten questions regarding Six Sigma, he identifies ________ as the most creative tool available in the Six Sigma toolbox.
  QFD
  Lean thinking
  DMADV
  CTQ trees

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DMADV

Question: Square root of variance is called:
  mean
  deviation
  standard deviation
  root mean

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standard deviation

Question: Sum of all measurements divided by the number of measurements is called:
  six sigma
  standard deviation
  mean
  variance

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mean

Question: What is the standard deviation of measurements: 4, 4, 4, 4, 4, 4?
  0
  4
  24
  2

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0

Question: Which of the following responsibilities does NOT belong to the Project Champion?
  Select team members
  Identify the team leader
  Monitor and approve all project work
  Create and maintain the organization's Six Sigma strategy

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Create and maintain the organization's Six Sigma strategy

Question: The project charter should establish ________ for the team.
A.) Salaries
B.) Methods of conflict resolution
C.) Focus
D.) Ethical guidelines

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Focus

Question: Calculate the mean of : 3, 4, 5, 4, 3, 5 Six Sigma?
  3
  4
  5
  7

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4
(3+4+5+4+3+5)/6 = 24/6 = 4

Question: The sum of squared deviations of measurements from their mean value divided by the number of measurements is called:
The sum of squared deviations of a group of measurements from their mean divided by the number of measurements equals?
  mean
  standard deviation
  variance
  There is no such thing.

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variance

The sum of the squared deviations of a group of measurements from their mean divided by the number of measurements equals Variance

Question: The role of the Master Black Belt is most similar to that of a:
  Dictator
  Coach
  Student
  Project Manager

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Coach

Question: Business Process Mapping (BPM) defines what a business does and the various actors within these activities. What is the final product of Business Process Mapping?
  Business map
  Process map
  Business process illustration
  Business process deliverable

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Business process illustration

Explanation : The final product of Business Process Mapping is a business process illustration.
Business Process Mapping (BPM) is an analytical tool designed to map out activities that are involved in business processes. The goal of BPM is to determine the requirements of each process in terms of people, products and information. A business process illustration is obtained from the mapping which defines what each process does.

Question: A Black Belt practitioner states in a project report that “we are 95% confident that the average age of consumers of Product A are between 34 and 38 years”. What does a confidence interval denote?
  they are 5% confident about the average age of the population
  they are 95% confident about the average age of the sample
  they are 5% confident about the average age of the sample
  they are 95% confident about the average age of the population

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they are 95% confident about the average age of the population

Explanation : A confidence interval denotes that they are 95% confident about the average age of the population.
In the above example, the practitioner is 95% confident that the average age of the population consumers of Product A are between 34 and 38 years. Since the average age is calculated based on a sample and not the population, a confidence level is considered an inferential tool. In other words, an inference or an educated guess is made about the population based on the characteristics of the sample.

Question: Jason’s team is launching a new support service network for their cellular phone customers. As the leader, Jason coordinates all functions of the launch and has sufficient managerial autonomy to make independent decisions. Jason is considered the:
  trainee
  yellow belt
  process owner
  process technician

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process owner

Explanation: Jason is considered the process owner.

A process owner in an organization or a company has sufficient power and autonomy to be decision makers. They often lead groups and are responsible for the outcome of processes within projects. A process owner usually reports to senior executives and is held responsible for delays and other complications.

Question: Jason’s company manufactures parts for large car producers such as Toyota and Honda. Management at his company is committed to continuous improvement in manufacturing standards and practices through rigorous training. What is the name of this practice?
  Kaiser
  Error-proofing
  Kaizen
  Teamwork

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Kaizen

Explanation : Kaizen is the commitment to continuous improvement in manufacturing standards and practices.
Kaizen is derived from a Japanese term for continuous improvement in manufacturing and business standards and practices. Kaizen is comprised of five main elements: teamwork, personal discipline, improved morale, quality circles, and improvement suggestions. The goal of Kaizen is to standardize and improve manufacturing and business activities continuously.

Question: If an operator stops the process often, takes a sample, and then adjusts the process to the center over and over again, what happens?
I. Variation increases
II. Variation decreases
III. The process will appear more and more like a bell shape as he or she goes
IV. The process will appear less like a bell shape as he or she goes

  I and II are true
  II and III are true
  II and IV are true
  I and IV are true

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I and IV are true

Question: Business professional are interested in collecting data that can be used to predict future sales or customers’ behavior. Parameters are characteristics of a _______ while statistics are characteristics of a ________.
  sample; survey
  survey; questionnaire
  population; sample
  questionnaire; population

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population; sample

Parameters are characteristics of a population while statistics are characteristics of a sample.
Explanation : It is important not to confuse a set of data drawn from a population with that of a sample. For example, a principal at a middle school of 500 students can average the ages of all the students which leads to a population parameter. If only students in the sixth grade are included in the calculation of the average, the resulting figure is a sample statistic.

Question: Between noon and 1:00pm on Fridays, a bank has an average of 8 customers waiting in line. What is the probability that, on any given Friday between noon and 1:00pm, there are less than 5 people in line? (Must use Poisson)
  93.19%
  97.86%
  19.12%
  9.96%

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9.96%

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