DATABASE FUNDAMENTALS
WORKBOOK THEMES
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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column
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bar
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line
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pie
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Detailed explanation-1: -Pie charts are often used in business. Examples include showing percentages of types of customers, percentage of revenue from different products, and profits from different countries. Pie charts can be helpful for showing the relationship of parts to the whole when there are a small number of levels.
Detailed explanation-2: -Pie charts can be used to show percentages of a whole, and represents percentages at a set point in time. Unlike bar graphs and line graphs, pie charts do not show changes over time. The following pages describe the different parts of a pie chart.
Detailed explanation-3: -There are several different types of charts and graphs. The four most common are probably line graphs, bar graphs and histograms, pie charts, and Cartesian graphs.
Detailed explanation-4: -The pie chart’s primary limitation is that people are much better at comparing lengths and heights, as you would see in a bar or line chart, than they are at comparing areas within a pie. Further, the long tail results, or the thinner pieces of a pie, tend to become unreadable.