Cause-Effect Diagrams

To help organize the information, we will group our data into four categories; People, Equipment, Process, and Environment.

This is shown as follows:

Cause-Effect Fig. 1

We could have labeled our categories anything, but we used labels that work for the situation. Sometimes more than four groups are identified. No problem!

Now let’s see where our possible causes can be logically placed.

Cause-Effect Fig. 2

Once we have arranged the data in this fashion, we can investigate each factor and determine if it is in control.

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