Scatter Diagram (Scatter Plot, Scatter Graph) Explained

how to draw a scatter diagram, plot, graph with examples what is a scatter diagram with correlation

What is a Scatter Diagram? – A Scatter Diagram, which graphs pairs of numerical data, is a member of the “old seven” (seven basic tools of quality). It is a kind of mathematical graph for process improvement, which is used … Read more

Cause and Effect Diagram: Fishbone / Ishikawa Root Cause Analysis

Fishbone Diagram (Cause and Effect Diagram) Ishikawa Diagram

The cause and effect diagram — also called a fishbone diagram or Ishikawa diagram — gets used in root cause analysis more than almost any other quality tool. I’ve seen it used well and I’ve seen it used badly, and … Read more