Contents 
 
What is a Control Chart?
A control chart is a graphical way to filter out routine variation in a process. Filtering out routine variation helps manufacturers and other businesses determine whether a process is stable and predictable. If the variation is more than routine, the process can be adjusted to create higher quality output at a lower cost.
All processes exhibit variation as the process is measured over time. There are two types of variation in process measurements:
• Routine or common-cause variation. Even measurements from a stable process exhibit these random ups and downs. When process measurements exhibit only ...

Get JMP 10 Quality and Reliability Methods now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.