Basic Area Charts                                                                                              | 
                                         
                                        
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                                                 Area charts are often used to visualize cumulative totals over time.                                              | 
                                         
                                        
                                     
                                 
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                                                Basic Bar Graphs                                                                                              | 
                                         
                                        
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                                                 Bar charts represent data in different categories or groups. In a Vertical Bar Graph, a bar’s height represents the numerical value for a data series. Bar graphs are used to compare data for several individual items or events.                                              | 
                                         
                                        
                                     
                                 
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                                                Basic Histograms                                                                                              | 
                                         
                                        
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                                                 Histograms are useful to compare data for several individual items. They are often used to plot data that spans several periods (days, weeks, months, years).                                              | 
                                         
                                        
                                     
                                 
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                                                Basic Line Graphs                                                                                              | 
                                         
                                        
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                                                 Line graphs enable the viewer to predict the results of data not yet recorded. They are useful for presentations.                                              | 
                                         
                                        
                                     
                                 
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                                                Basic Picture Graphs                                                                                              | 
                                         
                                        
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                                                 A Picture Graph (image chart, pictorial chart) is the type of a bar graph, which represents data in various categories using pictures.                                              | 
                                         
                                        
                                     
                                 
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                                                Basic Pie Charts                                                                                              | 
                                         
                                        
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                                                 Pie Charts are used in statistics, business, and mass media for composition comparison (i.e. to visualize the percentage for the parts of one total).                                              | 
                                         
                                        
                                     
                                 
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                                                Basic Scatter Diagrams                                                                                              | 
                                         
                                        
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                                                 Scatter Diagrams are used to visualize how a change in one variable affects another. They are also used to show the relationship of price and quality rating.                                              | 
                                         
                                        
                                     
                                 
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