Quality control processes can have a reputation for being redundant or tedious, but they play a fundamental role in producing ...

How do you convert DPMO to Sigma Level? There are several metrics you can use to measure how well your process is performing.

A control chart consists of several parts. It has two control limits and an average line. The bottom dashed line is called the lower control limit (LCL).  The solid middle line is the average of the ...