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 unusual variability occurs.

Jan 28, 2025 · Since this article describes a plethora of control charts, there are simple questions a practitioner can ask to find the appropriate chart for any given use. Accordingly, figure 13 walks …

See a sample control chart and create your own with the control chart template (Excel). You can also search articles, case studies, and publications for control chart resources. The Quality Toolbox. …

Jun 19, 2025 · Control charts plot sample statistics with ±3 σ control limits, separating common-cause noise from special-cause signals. Early detection prevents tampering, sustains Six Sigma stability, …

Guide to what is Control Chart. We explain its types, comparison with run chart and histogram, examples, uses, & disadvantages.

Apr 3, 2025 · Learn how a control chart works in project management with simple types, steps, and real examples from construction to track cost, quality, time, and safety.

Jun 15, 2023 · In plain English, these charts show relationships between the numbers you’ve collected. This is a sample of a Control Chart: The numbers can be from anything: How many minutes late or …

Oct 19, 2025 · Understand the Control Chart, a key 7 QC Tool in manufacturing quality. Learn its concept, types, examples, and how it helps.

Jan 27, 2026 · The correct control chart will then be displayed automatically. Below, you can see a list of the control charts along with instructions on how to create them.

While the basic idea of control charting is very simple, interpreting real-world control charts can be a little tricky. Be sure to check out this post about a great feature in the Assistant: The Stability Report for …