- Basic Statistical Measures
- Purpose of Six Sigma
- History of Six Sigma
| Year | Event |
|---|---|
| 1920s | Invention of control charts by Walter A. Shewhart, laying the groundwork for statistical quality control methods. |
| 1986 | Development of Six Sigma at Motorola by engineer Bill Smith, aimed at improving manufacturing processes and quality by identifying and removing the causes of defects. |
| 1995 | Jack Welch, then CEO of General Electric, adopted Six Sigma and integrated it into GE’s business strategy, significantly contributing to its widespread adoption in various industries. |
| Early 2000s | Six Sigma methodologies began merging with Lean manufacturing principles, forming Lean Six Sigma, which focuses on efficiency in addition to quality improvement. |
| 2000s | Broad adoption of Six Sigma across various industries beyond manufacturing, including healthcare, finance, and government sectors. |
| Present | Continued evolution and integration of Six Sigma with other business improvement methodologies and technologies, such as big data analytics and machine learning. |