GAQM CLSSBB Exam
Certified Lean Six Sigma Black Belt (CLSSBB) (Page 8 )

Updated On: 26-Jan-2026

For a batch manufacturing process, while assessing short term process variation, which variation category(ies) should one need to focus on? (Note: There are 2 correct answers).

  1. Variation within consecutive pieces
  2. Variation among consecutive batches
  3. Variation among groups of pieces
  4. Variation among the completed product

Answer(s): A,B



Contingency Tables are used to test for association, or dependency, between two or more classifications.

  1. True
  2. False

Answer(s): A



Which statement is NOT correct about the Fitted Line Plot shown here?

  1. The independent variable is the reactant
  2. If the reactant was 10 units, with 95% confidence we would expect a minimum yield of 148 units
  3. With at least 95% confidence, we can expect less than 10 units of Yield when the reactant is at a value of 1
  4. A reactant value between 6 and 8 units yields around 40 to 60
  5. When the reactant increases, the expected yield would increase

Answer(s): D



Which of the items listed do not define what an X-Y Diagram is?

  1. Created for every project
  2. Based on team's collective opinions
  3. Updated whenever a parameter is changed
  4. Used to show each step in a process
  5. A living document throughout project lifecycle

Answer(s): D



The two types of data that are to be used in Statistical Analysis are Attribute and Variance.

  1. True
  2. False

Answer(s): B



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