Quality assurance (QA) prevents and detects quality problems. Quality control (QC) detects errors in the product. QC evaluates the developed product itself. Another way to look at it would be to think ...

which is a form of external quality control. The main focus is on control charts, as they are the simplest and cheapest method for obtaining assurance that the laboratory's analytical systems are well ...

This publication explains the concepts of quality assurance and quality control. It provides examples, illustrated by good practices, of their implementation within the processes of the management ...

Trend charts are used to see the changes throughout a process. They come in different forms like the run, control ... The post Trend Charts in Quality Management: Enhancing Process Monitoring ...

This means lower productivity. Quality control will check the inputs and outputs from the production process whereas quality assurance will check the product regularly throughout production.