The application of statistical techniques to control quality. The term "statistical process control" is often used interchangeably with "statistical quality control," although statistical quality control includes acceptance sampling as well as statistical process control.

Any method for controlling the attributes of a product or controlling the characteristics of a process that is based on statistical methods of inspection.

A procedure that applies the laws of probability and statistical techniques to observed characteristics of a product or process.

term used by Shingo. Based on his usage, it includes most common statistical techniques for quality control: sampling, design of experiments and statistical process control. Shingo often uses statistical quality control as a synonym for statistical process control.

The application of statistical techniques for measuring and improving the quality of processes and products (includes statistical process control, diagnostic tools, sampling plans, and other statistical techniques).

System of sampling and testing for the purpose of keeping variations within established limits.

Analysis and control of quality through the use of statistical techniques, essentially the same as SPC.