moving range charts

How to Construct a Moving Range Chart?

Creating a moving range chart involves several steps:
Collect Data: Gather a sequence of data points from the process you want to monitor.
Calculate Moving Ranges: Compute the range between consecutive data points.
Determine Control Limits: Calculate the upper and lower control limits using statistical formulas.
Plot the Data: Plot the moving ranges on a chart along with the control limits and the average moving range.
Software tools like Microsoft Excel or specialized quality management software can simplify this process significantly.

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