Six Sigma doctrine asserts the following:
Continuous efforts have been put in order to achieve a stable and predictable processing results that are of vital importance for business success.
Manufacturing and business processes have measured, analyzed, controlled and improved characteristics.
To achieve a sustained quality improvement commitment from the entire organization is required.
Features that sets up Six Sigma apart from other previous quality improvement initiatives includes:
A clear focus to achieve a measurable and quantifiable financial returns.
Increased emphasis is put upon the strong and passionate management leadership and support.
A clear commitment is made for decision making on the basis of verifiable data and statistical methods, rather than on assumptions and guesswork.
Six sigma projects follows two project methodologies that are:
DMAIC helps in improving an existing business process. It has got five phases that is define, measure, analyse, improve and control.
DMADV aims at creating new products or process designs. It has five phases as well those are define, measure, analyse, design and verify.
Six sigma is mostly applicable in large organizations. To implement six sigma an industry needs to have more than 500 employees. However, it contains a large number of tools and techniques for the small and mid-size organizations.