100-Metodos-de-Qualidade-Total

212 100 METHODS FOR TOTAL QUALITY MANAGEMENT
Method 92
Scatter diagrams
Purpose
To allow the relationship between cause and effect to be established.
When to use
Scatter diagrams are used when a group is trying to test whether a
relationship exists between two items - often a cause and effect.
How to use
There are four simple stages to draw a scatter diagram:
1 Collect data about the causes and effects.
2 Draw the cause on the horizontal axis.
3 Draw the effect on the vertical axis.
4 Draw the scatter diagram.
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