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Free CSSBB sample questions

Real questions from the Certified Six Sigma Black Belt practice bank, with the correct answer and an explanation for each one. No junk, no filler.

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Showing 10 of 20 free sample questions.

Question 1Choose 3

Which statement(s) are correct about the Factorial Plot shown here? (Note: There are 3 correct answers).

Question 2Choose one

When conducting a Hypothesis Test using Continuous Data the proper sample size is influenced only by the extent to which we need to assess a Difference to be detected but not the inherent variation in the process.

Question 3Choose one

Use this data to calculate the Z Score. Average of: 92, Standard Deviation: 2, Upper Spec Limit: 101

Question 4Choose one

Which of these graphs demonstrates conditions which would be sufficient to enable OCAP for the process?

Question 5Choose one

Fractional Factorial Designs are used to analyze factors to model the output as a function of inputs if Hypothesis Testing in the Analyze Phase was inadequate to sufficiently narrow the factors that significantly impact the output(s).

Question 6Choose 2

Assessing process proportion as opposed to evaluating a process with respect to a set target can be done using one or more of these. (Note: There are 2 correct answers).

Question 7Choose one

The _____________ Distribution would be the most desirable for modeling the number of stitch defects in a portion of fabric.

Question 8Choose one

Which statement(s) are most correct for the Regression Analysis shown here?

Question 9Choose one

When a Belt Poka-Yoke’s a defect out of the process entirely then she should track the activity with a robust SPC system on the characteristic of interest in the defect as an early warning system.

Question 10Choose one

A valid mathematical Regression represents all of the characteristics shown except __________________.

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