Characteristics of Shewhart Charts . Figure 1 illustrates a typical Shewhart chart.. Figure 1: A Shewhart Control Chart All Shewhart charts have the following characteristics: Each point represents a ...

Fuzzy control charts represent a significant evolution in Statistical Process Control (SPC) by addressing intrinsic uncertainties in measurement and human evaluation that classical approaches ...

These are typically captured using a control chart -- a statistical tool used in manufacturing or business to show the extent of the variation in a process.