6 SIGMA ANALYSIS PLUS
The average weight could be 1 ounce, but most will be plus or minus some small amount. Sigma is the 18th letter of the Greek alphabet and is used by statisticians to designate the term “standard deviation”.Ĭalculating the standard deviation is a way to identify the amount of variation in a product, service, or process.įor example, you could weigh 1,000 candy bars.
To understand six sigma, you need to start with the meaning of the words. Jodi Walsh energized process improvement for Lexmark International by creating an effective problem solving program with coaches, problem solvers, and engaged employee teams.Jack Welch, as CEO for General Electric, promoted six sigma by creating training centers and helping deliver over $12 billion in savings – making six sigma world famous and the “rock star” of improvement programs.Bob Galvin led the way for executive engagement by launching the “Six Sigma Quality Program” at Motorola and establishing the goal tied to everyone’s performance assessment.Larry Bossidy, as CEO for Allied Signal, brought rigor to the project selection process and defined a role for executives called “Champion”.Michael Harry created a training curriculum at Motorola at the concept of six sigma roles defined as “belts” similar to the martial arts.Bill Smith is regarded as the “Father of Six Sigma” for developing a standard problem solving method that reduced defects at Motorola.Contemporary trailblazers of the six sigma phenomena include names Smith, Harry, Bossidy, Galvin, Welch, and Walsh:
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