Statistics 简明教程

Statistics - Process Sigma

过程西格玛可以使用以下四个步骤定义：

Process sigma can be defined using following four steps:

Formulae Used

其中——

Where −

  1. ${Opportunities}$ = Lowest defect noticeable by customer.

  2. ${DPMO}$ = Defects per Million Opportunities.

Example

Problem Statement:

Problem Statement:

在设备组织中，生产的硬板为 10000，缺陷为 5。找出过程西格玛。

In equipment organization hard plate produced is 10000 and the defects is 5. Discover the process sigma.

Solution:

Solution:

已知：机会 = 10000，缺陷 = 5。将给定的量代入配方，

Given: Opportunities = 10000 and Defects = 5. Substitute the given qualities in the recipe,