l Pareto Diagram-An example 40% Problem: Fatal Work injuries 40% 35% 30% 25% 20% 20 16% 15% 10% 10% 10% 4 0% Transport assaults Contact alIs Exposure to Other Accidents with Toxics Equipment o 2002 The Wadsworth Group
Pareto Diagram - An Example 40% Problem: Fatal Work Injuries 20% 16% 10% 10% 4% 0% 5% 10% 15% 20% 25% 30% 35% 40% Transport Accidents Assaults Contact with Equipment Falls Exposure to Toxics Other © 2002 The Wadsworth Group
l Quality and Process Variation The quality of products and services is related to variation in the underlying processes Two sources of process variation Random variation assignable variation o 2002 The Wadsworth Group
Quality and Process Variation • The quality of products and services is related to variation in the underlying processes. • Two sources of process variation: – Random variation – Assignable variation © 2002 The Wadsworth Group