The Philosophy of Six Sigma

Six Sigma is not just any other program; it is a way ofdata-driven facts that are aligned to the business'
running a business. It is a way of carrying out theobjectives.
activities at near perfect levels, and focuses onThe Three Methodologies
elimination of defects and tackling variations.Six Sigma encompasses three methodologies, process
It aims at achieving customer satisfaction leading tomanagement, DMAIC and Design for Six Sigma
customer delight. Process or product improvement and(DFSS). Process management involves control of
development of new products - if needed - are a fewprocesses to meet the business' goals. This
ways improving businesses.necessitates having proper systems for data collection,
Six Sigma can be considered to be a measure, adecision-making and bringing about improvement
philosophy, and a target.initiatives. DMAIC, which stands for "Define - Measure-
Implementing MethodologiesAnalyze-Improve-Control", is the roadmap for achieving
Six Sigma is a management philosophy that is basedthe target of defect-free processes and improved
on the theory that reduction in defects is a betterproducts.
approach to lowering costs and customer loyalty. ItSix Sigma teams follow the process of identifying and
realizes the fact that defects are expensive. To gain adefining defects, analyzing the defects using various
competitive edge, developing a high quality product atmeasures, suggesting improvements and having
the right cost is essential for customer satisfaction andmetrics or controls in place to achieve the goals of the
profitability. Variations limit process performance.business. By implementing the usage of standard
Though variations cannot be eliminated entirely, effortsoperating procedures throughout the business, fewer
to reduce them can be made. The target of Six Sigmadefects can be ensured along with the integrations of
is to have 3.4 defects per million opportunities. Theproducts, services and distribution.
cost of poor quality represents 20 to 30 percent ofAnother methodology that is useful to understand is
total company revenues. The Six Sigma approach isthe DFSS methodology. This methodology is useful
to implement methodologies that aim at reachingwhen there is a need to design an entirely new
world-class quality by improvement of 50 percent orproduct or process that will meet customer
more.requirements.
While some traditional methods rely on measuringThus, the Six Sigma philosophy aims to bring about
output and establishing controls, Six Sigma focuses onimprovements in profitability and productivity. It can be
eliminating them. It involves listening to voice ofapplied to any organization, big or small and focuses on
customers to bring about this change. By listening tobringing about a reduced cycle time, reducing waste
customers, importance is given to understanding theand developing better time management with a
value expectations of customers, which help eliminatesystematic approach to problem solving.
the root cause of dissatisfaction.Business leaders have to decide what is necessary
The Six Sigma philosophy is that of continuousfor their particular organization, and focus on improving
improvement; it is also in making decisions based onand sustaining the gains.