Control charts are graphical plots used in production control to determine whether quality and manufacturing processes are being controlled under stable conditions.

Jan 28, 2025 · How do you know which control charts to use for an improvement project? Our guide can help you identify which works best for your needs.

A control chart displays process data by time, along with upper and lower control limits that delineate the expected range of variation for the process. These limits let you know when …

Quality Glossary Definition: Control chart. Also called: Shewhart chart, statistical process control chart. The control chart is a graph used to study how a process changes over time. Data are …

Dec 4, 2025 · The main parts of a control chart are the center line (the average), control limits and the plotted data points that show process performance. Understanding control charts is …

Control charts are used as a way to display the performance of a process over time. This is done by plotting the measured output data points on a chart, allowing those viewing them to track …

Jan 7, 2025 · Control charts are graphical representations of process data over time, which help monitor the stability and variability of a process.

A control chart always has a mean as the centre line, an upper control limit and a lower control limit which show where we would expect future data to lie within

Jul 23, 2025 · A Control Chart is a graphical representation used to study how a process changes over time. It plots data points in the time order and helps detect trends or shifts in the process …

A control chart helps determine whether a process is in a state of statistical control or if there are any (assignable) variations that need corrective actions.