What is six sigma?
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Answer:
Six sigma is a measure of quality in organizations. It aims to eliminate/reduce defects in any process that an organization has by using certain strategies that focus on process improvement.
The statistical representation of Six Sigma describes quantitatively how a process is performing. To achieve Six Sigma, a process must not produce more than 3.4 defects per million opportunities. Six Sigma defect is defined as anything outside of customer specifications.
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Six Sigma was pioneered by Bill Smith at Motorola in 1986[1]. Originally, it was defined[2] as a metric for measuring defects and improving quality; and a methodology to reduce defect levels below 3.4 Defects Per (one) Million Opportunities (DPMO). Six Sigma is a registered service mark and trademark of Motorola, Inc[3]. Motorola has reported over US$17 billion savings[4] from Six Sigma to date.
GE became one of the early adopters of Six Sigma and reported benefits of over US$300 million during its first year of application[5]. It played a vital role in popularizing Six Sigma. Other major organizations who claim to have benefited from Six Sigma implementation are Ford, Caterpillar, Microsoft, Raytheon, Quest Diagnostics, Seagate Technology, Siemens, Merrill Lynch, Lear, 3M and many more.
It's a program to try and involve the employees to help reduce cost and foster efficiency within their respective companies.
Six sigma is a lean manufacturing methodology based on 3.4 defects per million products.
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