Six Sigma

Posted in Operations and Supply Chain Terms, Total Reads: 1541

Definition: Six Sigma

Six Sigma is a management philosophy developed by Motorola that simply means measure of quality and trying to achieve a near perfection results. Such efforts are often referred to as Total Quality Management.

At Xerox it is called as Leadership through Quality, at Intel it is called as (PDQ) 2and at Motorola it is known as Six Sigma.

In this system one tries to identify number of defects and tries to eliminate it with a final outcome of near perfection. To achieve Six Sigma results one has to have number of defects less than 3.4 per million opportunities.


The Mumbai based dabbawalas have received Six Sigma rating from Forbes magazine which means that they have a 99.9 percent accuracy rate. Their main aim is to provide best in class services to its customer.

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