A control chart plots measured values along with upper and lower quality control limits. Values appearing outside these limits are unacceptable and could indicate a manufacturing problem.

Control limits, how do they work? Is it a probability limit? Is it an economic limit? Read on to find out! Overview: What Are Control Limits? A control chart consists of several parts. It has two ...

The charts indicate that the process is in control, since all the individual measurements and moving ranges lie within their respective control limits. In this example, the LIMITS= data set was ...