Statistical Process Control is a statistical tool of Statistical Quality Control, used by the quality professional. Control Charts aid the Six Sigma professional in the process of determining if a process is under control.

All you need to do is to enter numbers separated by spaces and see the results immediately.

List of features:

- X-Bar Chart
- Range (R) Chart
- P-Chart
- C-Chart
- Process Capability, Cp, Cpk
- Theory and examples.

Statistical Process Control is applied in order to monitor and control a process. SPC can be applied to any process where the "conforming product" (product meeting specifications) output can be measured. Applied to Production processes as well as services, Hotels, Restaurants, Banks...

You could study the examples and try to design a method to monitor your production process or service.

Your last data are persistent. You can close and reopen your app and to continue adding data. data will be deleted when you start a new data set.

Your comments will be appreciated and I have the commitment of improve the application with more features.