Six Sigma

Six Sigma is a quality management program to achieve "six sigma" levels of quality. It was pioneered by Motorola in the mid-1980s and has spread to many other manufacturing companies. It continues to spread to service companies as well.

Six Sigma aims to have the total number of failures in quality, or customer satisfaction, occur beyond the sixth sigma of likelihood in a normal distribution of customers. Here sigma stands for a step of one standard deviation and corresponds in practice to fewer than 3.4 defects in one million.

It is defined by Motorola as the number of Defects Per Million Opportunities (DPMO).

That is, fewer than four in one million customers will have a legitimate issue with the company's products and service.

Many people believed that six-sigma quality was impossible, and settled for three to four sigmas. However market leaders have measurably reached six sigmas in numerous processes.

Table of contents

1 See also: 2 Lists of related topics 3 External links

See also:

• product management
• operations research
• marketing
• management
• quality
• Quality Management System
• Total Quality Management
• manufacturing

Lists of related topics

• list of management topics
• list of marketing topics
• list of economics topics
• list of finance topics
• list of accounting topics
• list of information technology management topics
• list of business law topics
• list of people (business)
• list of economists

External links

• http://www.isssp.org International Society of Six Sigma Professionals
• http://www.isixsigma.com i Six Sigma