Individuals Moving Range (ImR - XmR) Chart in Excel

Use an Individual Moving Range chart to evaluate stability of processes using variable data--time, cost, length, weight when your sample size is one.

Example of an Individual Moving Range chart created using QI Macros for Excel.

individuals moving range xmr chart

Individuals Moving Range (XmR) chart data examples

Data is organized as one column of ratios or measurements.

individual moving range chart xmr chart data example

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


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