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ARL simulator EWMA control chart

Francisco Aparisi

  • Platform: iOS
  • App ID: 1088604146
  • Price: Free
  • Category: Productivity
  • Ad spend: No
  • Mobile Priority: Low
  • User Base Size: Weak
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Publisher: Francisco Aparisi
Number of Apps: 10, including

  • StatSuite (Statistics Suite)
  • Gauges for SPC
  • Optimum EWMA control chart
  • ARL simulator EWMA control chart
Latest Update/Release: 36525 days ago


This application simulates the ARL of an EWMA control chart for different smoothing and control limits. The 4 available combinations of smoothing and control limits that yield an in-control ARL of 370. The EWMA control chart is one of the tools of statistical process control (SPC) or quality control. It is possible to change the value of the mean and sigma of the Normal distribution used in the simulation. Concretely, the shifts are measured by d = (m1 - m0) / sigma0 and by r = sigma1 / sigma0. There is a twin application for OS X available in its store. At this moment the available languages are Spanish and English.

Last Update

Last Update 1.1

Released April 06, 2016

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