six sigma tools

The Reverse Fishbone Diagram

We’re very familiar with the Fishbone Diagram (Cause and Effect Diagram), also known as the Ishikawa Diagram, whereby we analyze the potential causes of a given effect. We will look at the Reverse Fishbone Diagram which is used to analyze the impacts of a change. Other names for the Reverse Fishbone Diagram include: Backward Fishbone [...]

Spaghetti Diagram: Reducing Motion, Transportation and Cycle Time

How do you visualize the flow in a process before and after improvements? The Spaghetti Diagram to the rescue! The concept is basic, but the Spaghetti Diagram is quite useful. What is a Spaghetti Diagram? It is a line diagram superimposed on the process layout in order to map the flow in the steps of [...]

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