Abstract
As can been seen in the case studies in this book there are a variety of different types of control charts. Selecting the appropriate chart for any particular set of data can be difficult for those new to SPC. Sometimes, the choice of chart makes little difference to the conclusions drawn, whilst in other situations it does. In this chapter we give some guidance as to how to choose the appropriate chart to analyse a set of data, and some of the relative advantages of different types of chart. The decision chart, Figure 22.1, will be used as a guide map. Further information is given in the next chapter on how to draw the charts, here the emphasis is on how to select which chart to draw. The case study in Chapters 14, 16 and the Rods Experiment in Part 5 of the book in partcular use a variety of charts to analyse the same basic set of data and help to contrast the application of different charts.
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