Practice Quiz

Six Sigma Green Belt Exam Prep - Question List

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61. Process variation is a natural phenomenon in business as no two products or service experiences offered to customers can be identical. What two components make up process variation?
  1. common cause & inherent cause
  2. common cause & special cause
  3. common cause & production cause
  4. common cause & training cause
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62. A Decision Tree is a is a visual decision making tool that can prove useful across a number of business settings. Decision trees provide all of the following EXCEPT:
  1. present competing alternatives
  2. display potential outcomes
  3. provide comprehensive risk analysis
  4. compare probabilities
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63. The following is a multiple regression model. What do the regression coefficients b1 and b2 represent?
Yi = b0 + b1X1i + b2X2i +ei
  1. slopes of independent variables
  2. slopes of dependent variables
  3. random error term
  4. graph intercept
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64. A process is a:
  1. value-added transformation from input to output
  2. value-added transformation from data to knowledge
  3. manufacturing transformation of raw materials
  4. business transformation of data to process maps
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65. The ability of an electronic scale to measure substances consistently every time the measurement is made is referred to as _____________.
  1. repeatability
  2. precision
  3. accuracy
  4. reproducibility
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