Then Six Sigma quality theory is a statistically based quality management system. Its essence is to continuously reduce variance and pursue higher quality.

而六西格玛理论是一套建立在统计学基础上的质量管理系统模式，它的本质是不断减少偏差，持续追求高品质。

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It is the basis for the Pareto diagram, one of the key tools used in total quality control and Six Sigma.

它是帕雷托图表的基础，是一个用在全面质量控制和六标准差中的关键工具。

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Six Sigma for Small Business can reduce mistakes and waste, uncover hidden costs, streamline processes, improve overall quality of products and services, and increase customer satisfaction.

在小公司应用六西格玛，可以减少失误及浪费，揭露隐性成本，使过程合理化，提高产品的总体质量和服务，增加客户满意度。

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Bulriss also sped up the Six Sigma quality program, something AlliedSignal managers know all too well.

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One firm that has embraced the new management techniques including Six Sigma quality-control measures made famous at GE is Seyfarth Shaw, a Chicago firm with 800 attorneys.

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What Mr Welch cared about was quality hence his embrace of the Six Sigma programme for total-quality management.

ECONOMIST: Online, straight from the gut and politically incorrect