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Understand sources of variation

  • What is causing the variation?

  • Are the causes special or common?

  • What are the root causes?

Tools

  
Benchmarking
Brainstorm
Checksheet
Control Chart
Fishbone Diagram
Histogram
Paired Comparison
Pareto
Pie Chart
Relation Diagram
Tree Diagram
Quality Costs

 

Copyright © John Marsh, 1993
 
 
 
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