XmR Performance Chart in Excel

Use an XmR Chart to Evaluate Stability of Processes Using Variable Data

Here is an example of an Individuals and Moving Range Chart (XmR chart) created using ChartSmartXL.

individuals moving range chart example

XmR chart data usually looks like this:

individuals moving range data

The XmR chart can help you evaluate a process when there is only one sample and they are farther apart: monthly postage expense, time to write a computer program, and so on.

Calculate, plot, and evaluate the range chart first. If it is "out of control," so is the process. If the range chart looks okay, then calculate, plot, and evaluate the X chart.

Learn More...

To create a Xmr Performance Chart using ChartSmartXL...

60 Day Money-Back Guarantee