XmR Control Chart in Excel

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

Here is an example of an XmR chart created using QI Macros for Excel.

individual moving range XmR chart

XmR chart data usually looks like this:

x mr chart data example

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.

Why Choose QI Macros Over Other Control Chart Software?

affordable

Affordable

  • Only $299 USD - less with quantity discounts
  • No annual subscription fees
  • Free technical support

easy to use

Easy to Use

  • Works right in Excel
  • Create a chart in seconds
  • Easy to customize & share charts

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Proven and Trusted

  • More than 100,000 users
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