What is the diffirence between Random and Assignable variation in statistical process control?

.


.





.


.


.


.


Statistical Process Control — Why You Should Care


Variation is caused by a specific factor that results in a non-random distribution of output.referred to as ';exceptional'; or ';assignable';variation.


http://www.shmula.com/241/statistical-pr…


.


.


.


.


.