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Six Sigma Course Practice Test Q&As 13

Question: ___________ means doing the right things to create the most benefit for the company.
  Efficiency
  Effectiveness
  Value
  Productivity
  None of the above

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Effectiveness
Question: The advantage(s) of specialization of labor to management include:
  Rapid training of workforce
  Ease in recruiting new workers
  Greater flexibility to change the production process to produce new or improved products
  A and B
  A and C
  A, B, and C

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A and B

Key Points: Specialization of labor limits the flexibility to change the production process to produce new or improved products.

Question: Which is not a disadvantage of specialization?
  Boredom
  Little opportunity to progress
  Low cost to replace a worker
  Limited flexibility to change the process

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Low cost to replace a worker

Question: In a time study the normal time is equal to:
  Observed performance time per unit + performance rating
  Observed performance time per unit x performance rating
  Observed performance time per unit - performance rating
  Observed performance time per unit / performance rating
  None of the above

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Observed performance time per unit x performance rating

Question: The basic elements of a Scanlon Plan include all but:
  The screening committee
  The bonus
  The ratio
  Piece rate
  The production committee

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Piece rate

Key Points: Piece rate is a reward/incentive plan.

Question: The primary applications of work sampling include:
  Ratio delay
  Time standards
  Performance measurements
  Motion time data
  A, B, and C
  All of the above

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A, B, and C

Key Points: The three primary applications of work sampling are ratio delay, time standards, and performance measurement.

Question: Which of the following is an advantage of specialization of labor for labor?
  Boredom
  Little gratification from work itself
  Little opportunity to progress
  Little difficulty in learning job
  Frustration and fatigue due to limited or no control

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Little difficulty in learning job

Key Points: Ease in learning a job is an advantage.

Question: The reward/incentive plan that allows management to target specific output goals is:
  Merit pay
  Profit sharing
  Pay-for-knowledge
  Piece rate
  Gain-sharing

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Piece rate

Key Points: Merit pay allows management to target specific behavior. Profit sharing ties business performance to employee reward. Pay-for-knowledge allows management to target specific types of skills and personal growth. Gain-sharing allows specific group performance to be tied directly to employee reward.

Question: The trends affecting job design decisions include:
  Quality control as part of worker's job
  Cross-training workers
  Extensive use of temporary workers
  Automation of heavy manual work
  A, B, and D
  All of the above

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All of the above

Key Points: All of the above are trends affecting job design decisions.

Question: Which of the following is true about make-to-stock processes?
  Make-to-stock processes can be controlled based on the actual or anticipated amount of finished goods inventory.
  Make-to-stock process is used when demand is seasonal and the firm does not have enough capacity to keep up during the peak season.
  Services by their very nature often use make-to-stock processes.
  A and B
  A and C
  A, B, and C

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A and B

Key Points: Services by their very nature often use make-to-order processes.

Question: According to your text, the most common process metric is:
  Productivity
  Efficiency
  Utilization
  Throughput time
  Cycle time

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Utilization

Key Points: All are performance process metrics, however, the most common is utilization.

Question: Processes can be characterized as:
  Single stage or multi stage
  Make-to-stock or make-to-order
  Paced or non-paced
  A and B
  B and C
  A, B, and C

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A, B, and C

Question: In practice, often _______ time is not included in the utilization of the process.
  Setup time
  Run time
  Machine time
  A and B
  B and C

Click here to know the Answer

Setup time

Key Points: In essence, the setup time is categorized like the downtime caused by repair or some other disruption to the process.

Question: ________ is when the activities in the stage must stop because there is no place to deposit the item just completed.
  Buffering
  Starving
  Blocking
  None of the above

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Blocking

Key Points: Buffering refers to a storage area between stages where the output of a stage is placed prior to being used in a downstream stage. Starving is when activities in a stage must stop because there is no work.

Question: A must have requirement is:
I. You are not thrilled if the requirement is met
II. You are upset if the requirement is not met
III. You are thrilled if the requirement is met

  I only
  II only
  I and II only
  II and III only

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I and II only

Question: Rational subgrouping means that:
  The data is of a homogeneous nature and that it represents a particular period of time
  A great deal of thinking goes into collecting data
  Subgroups are kept small
  Subgroups are kept large

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The data is of a homogeneous nature and that it represents a particular period of time

Question: The grand average of the subgroup averages is known as:
  X-bar bar
  X-double bar
  The grand average
  All of the above

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All of the above

Question: In terms of central tendency, the mode is:
  The most frequently occurring value
  The method by which numbers are counted
  Determined by arranging the data in order, then finding the middle number
  The same as the arithmetic mean

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The most frequently occurring value

Question: What is an advantage of using a histogram over a stem-and-leaf?
  It uses averages instead of individual measurements, and averages vary less than individuals
  The raw data is preserved and presented
  The histogram is a study of process variation, whereas the stem-and-leaf is not
  There really is no advantage

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There really is no advantage

Question: What are conditions for a binomial distribution? SIX SIGMA
I. Continuous data
II. It is 2-state (success/failure, defective/not defective, etc.)
III. The trials are independent
IV. The probability of success on every trial is the same

  I, II, and III only
  I, III, and IV only
  I and III only
  None of the choices are completely correct

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None of the choices are completely correct

Question: What is a disadvantage of market research as a method of gathering customer data?
  Data might not be timely
  Purchasing market research can be expensive
  It is hard to read between the lines
  All of the above

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All of the above