What is SixSigma?

A.
It is a quality instrument to measure defects in process outputs.

B.
It is a six step maturity model to improve the capability of business processes.

C.
It is a standard that is recently developed for improvement of IT processes.

D.
It is a structured, statistically based approach to process improvement.

Explanation:
A: Incorrect. It is not only a quality instrument, it encompasses an improvement methodology.
B: Incorrect. It is not a maturity model.
C: Incorrect. It is developed in the 80’s for general business processes.
D: Correct.