Frequently Asked Questions

Can you tell me more about acceptance sampling? Also, what are control charts?

Here's more information about acceptance sampling and control charts.

Can acceptance sampling be applied to non-manufacturing processes?

Yes. Some of our users apply acceptance sampling to processes such as auditing applications, checking errors on invoices, etc.

Is there a standalone software package with your web-application?

No. The programs are all written in PHP, and are posted on the web for free use.

Is MIL-STD-105E still in use?

Yes. Although the military standard itself was phased out in 1989, it's civilian counterparts, ANSI Z1.4 or ISO 2859 (which are essentially the same) still exist. In practice these sampling plans are widely used by many industries.

Do I have to use the switching rules when using the Military Standards?

Yes. Applying a constant plan that does not take into account the history of batches is useless. The switching rules are an integral part of the sampling scheme.