Question

BHC produces bags of cement. The stated weight for a bag of cement is117117 pounds. Customers will accept an occasional bag weighing as little as 105105 ​pounds, as long as the average weight is at least 117117 pounds. At the same​ time, BHC​ doesn't want to give away​ cement, so it has set an upper tolerance limit of 129129 pounds. The current filling process has an actual process mean of 119119 pounds and a standard deviation of 3.453.45 pounds.

What should be used to assess​ capability?

A.The process capability​ index, because the process mean is not centered on the target.

B.The process capability​ ratio, because the process mean is not centered on the target.

C.The Six Sigma​ quality, because the process is well controlled.

D. The process capability​ ratio, because the process mean is centered on the target.

E.

The process capability​ index, because the process mean is centered on the target.

Answer 1

The correct answer is: a)

Reason: as per the definition and mathematical formulation, the process capability index can be well used even if the mean of the process is not centred on the target