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Purpose Of Bar Graphs. The bar graph helps to compare the different sets of data among different groups easily. Bar graphs are particularly useful for data that is easy to categorize. These bars can be displayed horizontally or vertically. One bar is plotted for each level of the categorical variable each bars length indicating numeric value.
A bar graph is a tool for communicating data visually. Bar graphs are commonly used in financial analysis for displaying data. One bar is plotted for each level of the categorical variable each bars length indicating numeric value. A bar chart uses bars to show comparisons between categories of data. A stock volume chart is a commonly used type of vertical bar graph. These types of graphs serve the same purpose as line graphs.
If used with awareness and intent it can be used to communicate truth or to defraud people.
The three major attributes of bar graphs are. A bar graph can be defined as a chart or a graphical representation of data quantities or numbers using bars or strips. A bar graph is a way to visually represent a set of data. A bar graph is a graph that can be used to compare the amounts or frequency of occurrence of different types of data. The histogram also called a frequency distributions graphis a specialized type of bar graph that resembles a column graph but without any gaps between the columns. One bar is plotted for each level of the categorical variable each bars length indicating numeric value.