Click on the following links. Please note these will open in a new window.

Video

Quality Assurance and Quality Control
https://www.youtube.com/watch?v=wahMQzPs08g
This short animation differentiates quality assurance and quality control.

Appraising Quality
https://www.youtube.com/watch?v=SDzBkjo8Qeo
This screencast video shows how to create a Pareto Chart in Excel 2016.

Web

Quality and Product Design
https://www.isixsigma.com/methodology/robust-design-taguchi-method/introduction-robust-design-taguchi-method/
This article describes the Taguchi method of design.