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  Bar Chart: A bar chart represents the data in horizontal columns. The measurement of values are organised
                   horizontally. Stacked bar chart is a variation of bar charts.

















                   Pie  Chart: A pie chart represents the data  or  value of each  item in proportion or  percentage  to the
                   consolidated or sum value of all items. Pie chart displays single type of data item and is beneficial when the
                   user wants to emphasize value of a significant item. Pie charts are use to compare how each value relates
                   proportionally to the whole.
















                   X-Y (Scatter) Chart: X-Y (Scatter) chart displays the relationships among the numeric values of several
                   data series. This chart shows uneven intervals or clusters of data and is commonly used to represent
                   scientific data.
















                   Area Chart: An area chart is a version of a line or column graph. It is useful to emphasize the volume of
                   changes of data. Area charts have better visual impact than a line chart.


















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