Home » Certification Exams Questions » What should the first question be, before a Black Belt decides to calculate Process capability?

OPTIONS

Is the dispersion stableIs the mean shiftingIs the normal distribution shiftingDoes the process exhibit special variability

ANSWER

Does the process exhibit special variability

EXPLANATION

A Black Belt cannot calculate capability without knowing if the process is free from special causes or not, so THE FOURTH OPTION is correct.
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