A process capability index equal to 1 means that the process variability
A)just meets specifications and the process is minimally capable.
B)is tighter than specifications and the process exceeds minimal capability.
C)is outside the range of specification,the process is not capable of producing within specification,and the process must be improved.
D)is none of the above.

Question

Quizplus · Accepted Answer

A process capability index (Cpk or Cp) of 1 indicates that the process variability matches exactly with the specification limits, meaning it is just capable of meeting the specifications without exceeding them. This is considered the minimum acceptable capability level for a process to be considered under control and capable of producing outputs within the specified limits.

A Process Capability Index Equal to 1 Means That the Process