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Six Sigma Course Practice Test Q&As 18

Question: Which of the following statements is not true about operations strategy?
  Operations strategy is concerned with setting broad policies and plans for using the resources of the firm to best support the firm's long-term competitive strategy.
  An operations strategy involves decisions that relate to the design of a product and the infrastructure needed to support the product.
  Operations strategy can be viewed as part of planning process that coordinates operational goals with those of the larger organization.
  Operations strategy involves a long-term process that must foster inevitable change.

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An operations strategy involves decisions that relate to the design of a product and the infrastructure needed to support the product.

Question: The graphical method is an easy way to solve large Linear Programming problems.
  TRUE
  FALSE

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FALSE

Question: Statistical Process control is the measurement of rejects in the final product.
  TRUE
  FALSE

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FALSE

Question: What is the standard deviation of the sampling distribution of sample means for whenever this process is under control?
  0.1 ounces
  0.4 ounces
  0.5 ounces
  1 ounce
  2 ounces

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1 ounce

Question: The specifications for a product are 6 mm ± 0.1 mm. The process is known to operate at a mean of 6.05 with a standard deviation of 0.01 mm. What is the Cpk for this process?
  3.33
  1.67
  5.00
  2.50
  1.33
  none of the above

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1.67

Question: A c-chart is used to monitor the number of defects per unit for process output.
  TRUE
  FALSE

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TRUE

Question: Approving the effort that occurs during the production process is known as acceptance sampling.
  TRUE
  FALSE

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FALSE

Question: Which of the following is not a step in the quality control process?
  define what is to be controlled
  compare measurements to a standard
  take corrective action if necessary
  evaluate corrective action
  eliminate each of the defects as they are identified

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eliminate each of the defects as they are identified

Question: Which of the following is not a typical project milestone?
  Completion of design
  Approval of a pilot run
  Training of project members
  Production of a prototype
  Completed testing of the prototype

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Training of project members

Question: There is an activity "A". The earliest activity "A" can be completed is 8 minutes, the most likely time is 10 minutes, and the latest activity "A" can be completed is 12 minutes. Which of the following is the standard deviation of this activity A?
  sqrt (4/36)
  sqrt (16/36)
  sqrt (10/36)
  4/36
  16/36

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sqrt (16/36).

Key Points: Variance of A = 16/36 . The standard deviation will then be sqrt(16/36).

Question: Which of the following are organizational structures used to tie the project to the parent firm?
  Pure project
  Matrix project
  Functional project
  Only A and B
  Only B and C
  A, B, and C

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A, B, and C

Question: Common problems with cultural adjustments include ____________.
  Convincing senior management to implement Six Sigma
  Sustaining positive changes
  People seeing a need to change
  All of the above

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All of the above

Question: The weights of 500 American men were taken and the sample mean was found to be 194 pounds with a standard deviation of 11.2 pound. What percentages of men have weights between 175 and 225 pounds?
  4.18%
  95.16%
  99.72%
  95.54%

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95.16%

Question: Counted data is: Six Sigma
  Discrete
  Continuous
  Temporal
  Positional

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Discrete

Question: Management decisions within the operations function framework can be divided into which of the following broad areas:
I. strategic
II. transformation
III. operational planning and control
IV. tactical

  I, III and IV
  II only
  I, II, and IV
  I, II, and III
  I and III only

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I, III and IV

Question: In general, transformation process are not categorized as:
  physical
  location
  exchange
  social
  storage

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social