isixsigma on MSN

How to Calculate and Utilize Upper Control Limit

A control chart consists of several parts. It has two control limits and an average line. The bottom dashed line is called ...
isixsigma on MSN

How to Set and Use Control Limits to Improve Your Process Performance

Control limits, how do they work? Is it a probability limit? Is it an economic limit? Read on to find out! A control chart ...