Practice Quiz

Six Sigma Green Belt Exam Prep - Question List

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71. The Cp index is a measure of potential process performance as seen in the equation below. What does a Cp value greater than 1 imply?

Cp = USL - LSL/ 6( Rbar/d2) = specification spread/process spread
  1. a process has the potential of having > 94.73% of outcomes within specifications
  2. a process has the potential of having > 97.73% of outcomes within specifications
  3. a process has the potential of having > 99.73% of outcomes within specifications
  4. a process performance cannot be calculated from given information
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72. The Six Sigma approach allows for a shift of as much as ______ standard deviations, so it is essentially a ±4.5 standard deviation goal.
  1. 3.0
  2. 3.5
  3. 1.0
  4. 1.5
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73. Ron’s research team is examining the tread quality of their company’s new tires. The team decides to use a factorial design that is examining 2 types of tread in 3 different types of metal installations. What type of design is this?
  1. 2 X 2
  2. 2 X 3
  3. 6 X 1
  4. 3 X 3
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74. A Cp of more than 2 implies that a process has the potential of _____________ expectations of Six Sigma standards.
  1. meeting
  2. exceeding
  3. falling short
  4. being unaffected
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75. A hotel manager wishes to compare packaged deals to frequent guests. Specifically, he is interested in whether those who receive business deals stay longer than those who receive personal deals. What statistical test is most appropriate to compare the two deals?
  1. t-test
  2. f-test
  3. chi-square test
  4. m-test
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