This kind of chart can display continuous or discrete data and generally appears with a median or average line. Definition of Run Chart: A performance measure of a process over a specified period of time used to identify trends or patterns. It can be used in preparation for the ASQ Certified Six Sigma Black Belt (CSSBB) exam or for any number of other certifications, including at private company (GE, Motorola, etc.) Run charts (also known as time series plot, trend chart or line graph) show the change in a variable over a period of time. Home » Blog » Lean Six Sigma Glossary » Run Chart (aka Time Series Plot) A Run Chart is a time series plot that displays shifts and trends in data over time. Run Chart. Run charts are used to visually analyze processes according to time or sequential order. certifications. This can show you if variations are natural over time, whether there’s any seasonality and if there’s any data trends that give extra information. Run Charts, also known as line graphs, display process performance over time. This post will explain “What is a Run Chart?”, show an example, and provide a video tutorial on how to create a Run Chart in Excel. Run Charts Six Sigma, as sometimes they called, are one of the primary quality tools used in process improvement. They are useful in assessing process stability, discovering patterns in data, and facilitating process diagnosis and appropriate improvement actions. A run chart is a graphical display of data over time.