Question

What is Six Sigma?

(a) It is the most widely used strategy for statistical quality assurance

(b) The “Six Sigma” refers to six standard deviations

(c) It is the most widely used strategy for statistical quality assurance AND The “Six Sigma” refers to six standard deviations

(d) A Formal Technical Review(FTR) guideline for quality walkthrough or inspection

This question was addressed to me during an interview.

Origin of the question is Quality Management in portion Software Testing and Quality Management of Software Engineering

Answer 1

The correct choice is (c) It is the most widely used strategy for statistical quality assurance AND The “Six Sigma” refers to six standard deviations

Easy explanation: The Six Sigma uses data and statistical analysis to measure and improve a company’s operational performance .