Six Sigma (nonfiction): Revision history

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4 May 2020

  • curprev 07:5507:55, 4 May 2020Admin talk contribs 1,690 bytes +1,690 Created page with "'''Six Sigma''' ('''6σ''') is a set of techniques and tools for process improvement. It was introduced by American engineer Bill Smith while working at Motorola in 1986. Jack..."