QualityAdvisorsponsored by PQ Systems
Quality Assurance SPC statistical process control software for an organization’s continuous improvement program.
Home
Library
Classroom
Forum
Resources
About
PQ Systems
 
home > sqc > formulas

Untitled Document

u-chart Formula

The u-chart formula (for number of nonconformities from subgroups that can vary in size):

u control chart upper & lower control limit formulas