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A run chart is a line graph of data plotted over time. By collecting and charting data over time, you can find trends or patterns in the process. Because they do not use control limits, run charts cannot tell you if a process is stable.

A run chart, also known as a run-sequence plot is a graph that displays observed data in a time sequence. Often, the data displayed represent some aspect of the output or performance of a manufacturing or other business process.

Types of Control Charts X-Chart. X-Charts present variable data. ... P-Chart. P-Charts are used for data that is counted. ... NP-Chart. NP-Charts are used to present the number of nonconforming or conforming items. ... C-Chart. ... U-Chart. ... MR-Chart. ... Individual MR-Chart. ... Custom Data Control Chart.

What is Run Chart in Six Sigma? A run chart is a line graph that shows data over time. In other words, a run chart graphically represents how a process is performed or how the data values changed over time. Instead of only using summary statistics, looking at data over time allows for a more accurate conclusion.

What is a run chart? A run chart is used to study collected data for trends or patterns over a specific period of time. A run chart will help you: Monitor data over time to detect trends, shifts, or cycles.

Basic Procedure Choose the appropriate control chart for your data. Determine the appropriate time period for collecting and plotting data. Collect data, construct your chart and analyze the data. Look for "out-of-control signals" on the control chart. ... Continue to plot data as they are generated.

Run charts help improvement teams formulate aims by depicting how well (or poorly) a process is performing, understand the value of a particular change, and begin to distinguish between common and special causes of variation. Common-cause variation is the natural or expected variation inherent in a process.

The Rule of Seven as applied in Quality Management says that ?A run of seven or more consecutive points in a control chart, either above the mean, or below the mean, or continuously increasing or decreasing, may indicate the process may be out-of-control?.