22 Quality Improvement

Overview

Processes and Variation

Control Charts

Charts for Individual Observations

Charts for Means

Charts for Proportions

Capability Analysis

Pareto Charts

Application

Overview

We expect to observe variation in the continuous functioning of natural and artificial processes. In this chapter, we’ll study several techniques commonly used in the world of business, often in the context of manufacturing and service operations. Each of these techniques plays a role in efforts to monitor, assure, and improve the quality of processes that provide services or manufacture goods. As you encounter these techniques, you will recognize concepts and approaches that we have seen earlier, but now we’ll combine them in different ways. Collectively, ...

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