Dispersion diagram

Dispersion diagram

1. Also said dispersion or bubble graph, ball graph

2. Graphical tool used for reporting

3. In order to visualize and improve the information

4. Easy to understand and pleasant

5. Taking into account variable values for a dataset

6. Dispersion diagram suggests various types of correlation between variables

   • May be positive
   • Or negative
   • If increasing is positive
   • If the graph decreases is negative

7. In other words we use it as a quality control tool

8. It includes:

   • Histogram
   • Pareto diagram
   • Check sheet
   • Ishikawa diagram
   • Control graphs
   • Flowchart