Six Sigma: What It Is and Why It Works

"Six Sigma is a business-improvement approach that seeks to find and eliminate causes of mistakes and defects in business processes by focusing on outputs that are of critical importance to customers"

Why Six Sigma Works:

• Bottom-line results ($)
• Active senior management leadership
• Disciplined approach (MAIC)
• Rapid project completion (3-6 months)
• Clear definition of success
• Infrastructure created (MBB, BB, GB)
• Focus on customers and processes
• Sound statistical approach

Ronald D. Snee
"Impact of Six Sigma on Quality Engineering"
Quality Engineering Volume 12, Number 3, 2000

• Jack Welch pushed the program at GE!

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