The Basis of Six Sigma? Statistics and Discipline

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Best Practices
Gerardo Acosta, Mexico

The Basis of Six Sigma? Statistics and Discipline

Many of the tools of Six Sigma (and the concept of lean manufacturing with which Six Sigma is most closely identified) can be found in statistical process control, total quality management, statistics, process improvement, inventory control and operations management textbooks.
However, it is not just the tools that deliver Six Sigma performance - it is the logic, discipline and practical application that drive the search for perfection.

Professor, India

The Basis of Six Sigma is Data

Six sigma is a tool based on data. The data should be correct and from the process under observation. This is backed by scientific statistical tools for interpretation and conclusion. The selection of the tool depends on the expertise of six sigma practitioner and it largely determines the accuracy of predictions based on the use of it.

  Miguel Piedras
Analyst, Mexico

Six Sigma is a Psychologist's Invention

Six sigma (at least in part) is based on ignorance...


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