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Data Visualization, Volume II by Amar Sahay

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CHAPTER 7

The Seven New Tools for Quality Improvement

In the previous chapter, we discussed the seven basic tools of quality. In addition to these useful tools, there is another set of seven tools known as seven new tools for quality improvement. These tools are the result of the research efforts of the Japanese Society for QC Technique Development and focus on problem solving and decision making in quality. These tools are:

  1.   Affinity Diagram

  2.   Interrelationship Digraph

  3.   Matrix Diagram

  4.   Tree Diagram

  5.   Prioritizing Matrices

  6.   Process Decision Program Chart (PDPC)

  7.   Activity Network Diagram

These tools along with their applications are described below.

The Affinity Diagram

Affinity diagram is a tool used ...

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