X-bar measure between-sample variation. R charts measure within-sample variation. All processes vary. The data you collect from your process will vary. But is the variation common to the elements ...

“We held a process improvement event regarding ... You want an apples-to-apples comparison on the chart regarding the data or the chart could mislead the user. These charts can be busy with ...

process data, and analyze charts and graphs. Using charts in Excel is very important to some people, especially if they want to show a graphical representation of their data. Excel contains ...