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.

Control charts for variable data are used in pairs. The top chart monitors the average, or the centering of the distribution of data from the process. The bottom chart monitors the range, or …

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 …

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 …

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

Jun 15, 2023 · The control chart is the voice of the process. Looking at data in a control chart tells you if your process – whatever you’re doing that generates the data – is stable or not.

A control chart is simply a run chart with confidence intervals calculated and drawn in. These “Statistical control limits” form the trip wires which enable us to determine when a 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.