As a rule of thumb, if a process C_pk index is less than 1.00, the level of process capability is usually judged acceptable.

Question

Quizplus · Accepted Answer

If a process capability index is less than 1.00, it indicates that the process is not capable of producing within the desired specifications and is therefore considered unacceptable. A value of 1.00 or higher is generally considered acceptable for most processes.

As a Rule of Thumb, If a Process Cpk Index

As a Rule of Thumb, If a Process C_pk Index