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.

Excel is a powerful tool for managing projects, but there's one key feature it lacks: a built-in Gantt chart. This can be frustrating for project managers who rely on Gantt charts to visualize ...

Using statistical control charts to analyze data from student evaluations of teaching. Decision Sciences Journal of Innovative Education, 1 (2): 259-272. McSweeney, L. A. 2006. Monitoring paper ...

In an attempt to improve the procedures for statistical process control many researchers have developed and proposed a variety of adaptive control charts in the last decade. The common characteristic ...

Traditional statistical process control charts assume that observations are independent and normally distributed about some mean. We investigate the robustness of traditional charts to data ...