Exponentially Weighted Moving Average Similar to the CuSum in detecting small shifts in an otherwise stable process mean, the EWMA chart provided by QA, Inc. may also be used to control processes with a slowly drifting mean using Montgomery’s technique for autocorrelated processes.

As a true preventive tool, control charts for variable data provide the measure of process improvement. Since all applications are not the same, Quality America is proud to offer a wide variety of these tools to meet your specific needs. From short run to continuous flow, administration to maintenance, your profitability can be improved.

For More Information about Variable Charts from SPCPCIV