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Six Sigma  


What is Six Sigma?
Six Sigma is a tool that, when utilized, will significantly improve customer satisfaction by constantly reducing defects and variation in every aspect of the business. It has the effect of accelerating existing improvement processes, thus enabling an organization to obtain its goals of complete customer satisfaction.
What places Six Sigma apart from some of the other initiatives is that all improvements are driven by the voice of the customer (VOC). This voice is translated into a critical to quality (CTQ) characteristics. Six Sigma also allows an organization to compare and assess quality improvements from different types of products, processes or services. The measurement component is called the DPMO, Defects per Million Opportunities. 


How does Six Sigma work?
The three strategies involved in Six Sigma are: Process Management, Process Design/Redesign, and Process Improvement. Process Management is an on-going cross-functional ownership and measurement of core support processes. Process Design/Redesign is the creation of a "new" process to achieve exponential improvement and/or meet the changing demands of customers, technology and competition. It can handle totally dysfunctional processes and reengineer them. It is also known as DFSS, Design for Six Sigma.
Process Improvement focuses on problem solving, aimed at eliminating the "vital few" root causes. The most common reference in this strategy refers to the DMAIC Model.
Define - select customer's Critical to Quality characteristics and performance
Measure - create a measurement system and validate the system
Analyze - identify the sources of variation from the performance objectives
Improve - discover process relationships and establish new and improved procedures
Control - sustain the gain by implementing process controls
Who is involved in Six Sigma?
All levels of the organization should be involved, starting with Green Belts, who assist in all projects, Black Belts, who head up the projects and train the Green Belts, Master Black Belts, who teach and mentor the Black Belts. Other roles include Champions and Directors.





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