Home » Certification Exams Questions » For a capability study conducted on normal data, the reported set of values are Cpk = 1.2 and Ppk = 1.4. What could be the Black Belt’s inference?

For a capability study conducted on normal data, the reported set of values are Cpk = 1.2 and Ppk = 1.4. What could be the Black Belt’s inference?

i. The process is in control

ii. The process may not have been in control

iii. The process may not have been normal

OPTIONS

i and ii
ii and iii
i, ii and iii

Correct Option:B

ii and iii

EXPLANATION

Such a condition can only happen when option b holds, i.e. process is not in control and process not normal.

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