Control charts are widely accepted and used in manufacturing industry. However, surprisingly often the data sets that they are used to analyse come from markedly non-normal populations. A modification ...

This is a preview. Log in through your library . Abstract Traditional statistical process control charts assume that observations are independent and normally distributed about some mean. We ...

QC laboratories perform a critical role in demonstrating pharmaceutical products are consistently manufactured, safe, potent, and pure. At the same time, the number of tests run by QC laboratories is ...