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Data Visualization, Volume II by Amar Sahay

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CHAPTER 3

Systems Processes and Variation

Introduction

The quality of products and services is related to the variation in the products and processes that create the products. In the study of statistics and data analysis, it is important to understand that almost all measurements show variation. The visual tools are frequently used to analyze and learn about the processes. The applications of different visual tools are critical to improving any process or product. This analysis of different visual tools emphasizes on Statistical thinking. Statistical thinking is a thought process that focuses on ways to reduce variability. According to the Glossary and Tables for Statistical Quality Control—Quality Press, statistical thinking is the philosophy ...

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