Practice Quiz

Six Sigma Black Belt Exam Prep - Question List

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11.

A Black Belt practitioner at DuPont Industries uses a process map, SIPOC, in his project. What does the P stand for in this acronym?

  1. process
  2. product
  3. population
  4. preliminary
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12. A Black Belt practitioner constructs a control chart to display a process mean and its outer limits. In the chart above, what does LCL stand for?
  1. lower cycle length
  2. lower control limit
  3. lower cycle limit
  4. lower control length
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13. Which of the following areas (A or B) represents a range of special, unexpected variation?
  1. Neither
  2. Not enough information available
  3. A
  4. B
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14. Process capability (Cp) describes a process, often in a stable manufacturing environment, that leads to the production of a product that conforms to client and design specifications. An ideal process will have a Cp value:
  1. greater than one
  2. less than one
  3. equal to one
  4. within one standard deviation of mean
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15. Which of the control charts must have at least 20 subgroups of observed values to judge whether a process is in control or not?
  1. R-chart
  2. C-chart
  3. P-chart
  4. Y-chart
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