The higher the process capability ratio, the lower the likelihood that process will be within design specifications.

Question

Quizplus · Accepted Answer

This statement is incorrect. The higher the process capability ratio, the higher the likelihood that the process will be within design specifications. A process capability ratio of 1 indicates that the process is perfectly capable of producing within the design specifications. A higher ratio greater than 1 indicates that the process has a greater ability to produce within the design specifications with less variation.

The Higher the Process Capability Ratio, the Lower the Likelihood