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PEOPLECERT IASSC Lean Six Sigma - Green Belt Exam
IASSC Lean Six Sigma - Green Belt (Page 5 )

Updated On: 7-Feb-2026
Page 5 of 41
PDF with 200 Questions

A Belt concludes a Lean Six Sigma project with the creation of a Control Plan. At what point can the Control Plan be closed?

  1. Never, a Control Plan is a living document
  2. As soon as the Champion signs off
  3. Within 30 days of the LSS project review team meeting
  4. After the project has been presented at the recognition event

Answer(s): A



When analyzing a data set we frequently graph one metric as a function of another. If the slope of the Correlation line is -2.5 we would say the two metrics are ___________ correlated?

  1. Positively
  2. Not
  3. Negatively
  4. None

Answer(s): C



Multiple Linear Regressions (MLR) is best used when which of these are applicable? (Note: There are 3 correct answers).

  1. Non-linear relationships between the inputs X's and output Y
  2. Uncertainty in the slope of the linear relationship between an X and a Y
  3. Relationships between Y (output) and more than one X (Input)
  4. Preventing the use of a Designed Experiment if unnecessary
  5. We assume that the X's are independent of each other

Answer(s): C,D,E



Fractional Factorial designs for an experimental approach are used when ____________ about the multiple metric interaction in a process.

  1. Much is known
  2. Little is known
  3. We don't care
  4. Data exists

Answer(s): B



A Belt will occasionally do a quick experiment referred to as an OFAT which stands for ____________________.

  1. Only a Few Are Tested
  2. Opposite Factors Affect Technique
  3. One Factor At a Time
  4. Ordinary Fractional Approach Technique

Answer(s): C



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