Introduction
Graphics refers to the visual representation of data. Graphics have been used by civilizations throughout recorded history. The following 1801 quote by Playfair [see Reference 1] summarizes the importance of graphics:
I have succeeded in proposing and putting into practice a new and useful mode of stating accounts...as much information may be obtained in five minutes as would require whole days to imprint on the memory, in a lasting manner, by a table of figures.
More recently, the widespread availability of statistical and spreadsheet software for personal computers has enabled users to quickly produce many different graphs, even for large data sets. In this book, the Minitab and JMP statistical software packages will be used ...
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