The meaning of Sigma in statistical analysis is a function of whether you use the upper or lower case of the letter. The uppercase use of sigma denotes a summation while the lowercase represents a ...

The Six Sigma approach would appear to be ideally suited to pharmaceutical processes, yet the industry has been very slow to adopt it. This article looks at the possible reasons for this, and suggests ...

It’s a question whispered in the basement of the Cabot Science Library, by a select few students, usually only among the best of friends. How did it go? Did you make the sigma? Most undergraduates go ...

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 ...

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 ...