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Control charts have two general uses in an improvement project. Undeniably, the most common application is as a tool to ...
Control charts usually present a graphic display of process stability and/or instability with time, from which the you can determine mean and standard deviation. Types of Control Charts ...
Different types of quality control charts, such as X-bar charts, S charts, and Np charts are used depending on the type of data that needs to be analyzed. Example of a Quality Control Chart .