About ARL Xbar control chart
This application simulates the Xbar control chart, that is one of the tools of statistical quality control, or statistical process control (SPC). It computes the ARL for different mean and sigma shifts. Concretely, the...
This application simulates the Xbar control chart, that is one of the tools of statistical quality control, or statistical process control (SPC).
It computes the ARL for different mean and sigma shifts. Concretely, the shifts are measured by d = abs(m1 - m0) / sigma0 and by r = sigma1 / sigma0.
The control limits can be placed at 2 or 3 sigma. In addition, it is possible to change the sample size.
In addition, it simulates real performance of the Xbar chart (real in-control and out-of-control ARL) when the mean and sigma are estimated during Phase I.
At this moment the application languages are Spanish and English.
This application is also available for iOS (Iphone, iPad), Windows and OS X (MAC). Just search in their stores.
Previous Versions
Here you can find the changelog of ARL Xbar control chart since it was posted on our website on 2016-12-28 18:09:23.
The latest version is 2.3.1 and it was updated on 2024-03-28 17:50:00. See below the changes in each version.
ARL Xbar control chart version 2.3.1
Updated At: 2021-02-28
Changes: Compatible with Android 11
ARL Xbar control chart version 2.2
Updated At: 2019-10-04
Changes: Better compatibility with last Android versions
ARL Xbar control chart version 2.0.2
Updated At: 2017-11-10
Changes: New tab that permits to simulate the real performance of the chart (real in-control and out-of-control ARLs) due to the errors in the estimation of mean and sigma in Phase I.
ARL Xbar control chart version 7.0
Updated At: 2016-11-27
Changes: Some bugs fixed
Disclaimer
Official Google Play Link
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