The basic row-and-column worksheet grid is essential in helping you organize data and per-
form calculations, but it’s difficult—and sometimes impossible—to analyze information and
see patterns by staring at a sea of numbers.
Charts help you turn numeric data into visual displays in which you can identify trends and
pick out patterns at a glance. By using lines, columns, bars, and pie slices to compare series
of data over time and across categories, charts often provide clear answers to tough ques-
tions, such as these:
■Which sales region and which product lines have been most successful ...
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