1.3. Statistics and Six Sigma
Many Six Sigma tools and methods involve statistics. What exactly is meant by statistics, and why is statistics such an integral part of Six Sigma management? To understand the importance of statistics for improving quality, you can go back to a famous 1925 quote of Walter Shewhart, widely considered to be the father of quality control:
The long-range contribution of statistics depends not so much upon getting a lot of highly trained statisticians into industry as it does in creating a statistically minded generation of physicists, chemists, engineers, and others who will in any way have a hand in developing and directing the production processes of tomorrow.
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