Using Six Sigma statistical thinking to improve business processes
A Cummins case study

Page 6: Conclusion

Six Sigma looks at all work as a series of processes with inherent variations, which can cause waste or inefficiency. Focusing on those processes with greatest impact on business performance, as defined by leadership teams, the methodology involves statistical analysis to quantify repeated common cause variations - which can then be reduced by the Six Sigma team. Six Sigma becomes a continuous process for quality improvement and cost reduction flowing throughout the company.

Originally developed from a Japanese quality control process for manufacturing electronic semi-conductors, Six Sigma developed the capability of reducing problems or issues effecting customer expectations on key business processes. Six Sigma has provided the opportunity to drive forward important customer focused initiatives across the Cummins global organisation.

As an improvement and cost reduction process, Six Sigma is equally valid for marketing and product development as well as manufacturing and customer services. Six Sigma improvement projects and techniques are now the cornerstone of Cummins continued success in cost reduction and quality improvement.

Cummins | Using Six Sigma statistical thinking to improve business processes

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