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The Six Sigma Difference
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“Dr. Salvekar made a very difficult subject simple to understand and implement...” --Six Sigma Student-- Our Satisfied Clients
“Six Sigma has been very rewarding to me. I got promoted...” --Six Sigma Student-- Our Satisfied Clients
| Sigma Level | Percent of Quality | Defects per Millions | Cost of Quality |
| 1 | 30.85 | 691,462 | Uncompetitive |
| 2 | 69.15 | 308,537 | Uncompetitive |
| 3 | 93.32 | 66,807 | 30-40% |
| 4 | 99.38 | 6,210 | 15-30% |
| 5 | 99.976 | 233 | 5-15% |
| 6 | 99.999966 | 3.4 | World Class |
| 7 | 100 | 0.001 | Future World Class |