Six Sigma is Denoted by the Greek alphabet σ which is shown in the table above and is called as Standard deviation. The father of Six Sigma is Bill Smith who coined the term Six Sigma and implemented ...

It's a quality assurance truism that you can't inspect quality into a product. For a statistician, the difference between three sigma and six sigma is a difference in the degree of deviation from a ...

Six Sigma is a data-driven approach to quality, aimed at reducing variation and the associated defects, wastes, and risks in any process. This article explores the basics of Six Sigma process quality ...