m Chart Template in Excel

m Charts are used when you have summarized median and standard deviation data

The m chart is used when the sample size varies: e.g., the total number of cases in a hospital varies from one period to the next. Therefore, the control limits look like stair steps or a skyline versus being flat.

Here is an example of the m chart template in QI Macros SPC Software for Excel.

m chart template in excel

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