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Unformatted text preview: statistical data. Bar charts show qualities of items compared at either the same or different periods. Line graphs show changes in two values, such as a change over a period of time. These are fairly easy to understand and create, and are valuable to show trends. Pie charts are common and universally understood. The whole represents 100 percent and each segment of the pie indicates the percentage of each part related to the whole. A technical writer must consider what data would be better understood by their audience with the use of a graphic or visual element. It is important to be aware which types of design element would be best for the information or comparison to be given or made successfully. Avoid trying to compile too much information into a single graphic; it could cause confusion for the reader....
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- Spring '10