What Are Standard Deviation Percentiles?

Six standard deviations (English: Six Sigma, 6 sigma), also translated as Six Sigma , tools and procedures for process improvement, is one of the business management strategies, originally founded in 1986 by Motorola. Later, due to the promotion of Jack Welch, the eighth CEO of General Electric, Six Sigma became the core management idea of General Electric in 1995 and is widely used in many industries today.

Six standard deviations (English: Six Sigma, 6 sigma), also translated as Six Sigma , tools and procedures for process improvement, is

Six Sigma originated from a set of methods used to improve production industrial processes and eliminate defects, but later its application was extended to other business areas. In Six Sigma, defects refer to any place where customers are not satisfied, or can lead to results that do not meet customer requirements Things.

The core idea of Six Sigma was born in the 1970s

There are two methods of Six Sigma, from

One of the innovations of Six Sigma is the invention of a "professional" measurement method for quality management personnel. Before Six Sigma, quality management was generally limited to the management level, and statisticians were usually in independent quality departments. Six Sigma projects have added a hierarchical title (such as grading in martial arts) to define various management functions.

The functional definition of Six Sigma guarantees its successful implementation.

• Leaders include CEOs and senior executives who are responsible for setting a set of Six Sigma implementation goals. They also need to empower other people with greater freedom and resources to develop new ideas and management innovations.

• The champion unified is responsible for the implementation and execution of Six Sigma in the organization: the leader selects these people from the enterprise, and the champion is also the mentor of the black belt.

• The Black Belt Master was designated by the champion as the coach of Six Sigma within the enterprise. They are fully devoted to Six Sigma's work, helping champions, guiding black belts and green belts. Apart from statistical work, most of their time is to ensure the smooth implementation of Six Sigma between various functional departments.

• Under the leadership of the Black Belt Master, Black Belt is responsible for implementing specific projects using the Six Sigma method. They are fully invested in Six Sigma and are mainly responsible for project execution, while the champion and black belt master are responsible for identifying projects and functions.

• The Green Belt is an ordinary employee responsible for carrying out Six Sigma operations while carrying out their own work. They must obey the instructions of the Black Belt. ^[1]