Preface

The purpose of this book is to introduce the graphical tools and information visualization tools widely used in data analysis, visualization, and quality improvement to analyze, enhance, and improve the quality of products and services. Visual tools are an easy way to gain a first look at your data and they have been used to gain an insight into the data before applying more complex analysis. The book provides a collection of visuals and graphical tools. The visual tools are commonly referred to as graphical tools. A number of charts and graphs are commonly used to create visuals that provide a quick summary, trends, and patterns in the data which are not usually apparent from the data in raw form.

The first part of the book presents ...

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