A set of measurements (or metrics) that is used to establish goals for improvements in processes, functions, products, and so on. Benchmark measures are often derived from other firms that display bes t-in-class achievement....
A graphic comparison of process performance data with predetermined computed control limits. The process performance data usually consists of groups of measurements selected in the regular sequence of production that preserve the order. The primary use of control charts is to detect assignable causes of variation in the process as opposed to random variations. The control chart is one of the seven tools of quality. Syn: process control chart....