About ARL Xbar and S control charts
This application simulates the Xbar and S control charts, that are someof the tools of statistical quality control, or statistical process control (SPC). It computes the ARL for different mean and sigma shifts....
This application simulates the Xbar and S control charts, that are someof 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.
In addition, it measures the number of times that each control chart shows an out-of-control alarm. For example, it is possible to see that the Xbar control chart detects sigma shifts too.
On the other hand, it simulates the effect of the errors in the estimation of mean and sigma during Phase I in the real performance of the scheme.
At this moment the application languages are Spanish and English.
A twin Windows version is available here:
https://mega.nz/#!XIYGWSAA!HN8a9oXLUJ0I98c7omWeYhhvH68h1yuFXuuJnenUT4M
This application is also available for iOS (Iphone, iPad) and OS X (MAC). Just search in their stores.
Previous Versions
Here you can find the changelog of ARL Xbar and S control charts since it was posted on our website on 2016-10-17 13:35:52.
The latest version is 2.3.1 and it was updated on 2024-04-22 14:13:00. See below the changes in each version.
ARL Xbar and S control charts version 2.3.1
Updated At: 2021-02-28
Changes: Compatible with Android 11
ARL Xbar and S control charts version 2.3.0
Updated At: 2019-10-04
Changes: Better compatibility with last Android versions
ARL Xbar and S control charts version 2.2.0
Updated At: 2017-11-20
Changes: Bugs fixed
ARL Xbar and S control charts version 2.2.0
Updated At: 2016-12-01
Changes: Bug fixed
ARL Xbar and S control charts version 2.1.0
Updated At: 2015-12-03
Changes: Better resolution for tablets
Disclaimer
Official Google Play Link
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