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# Bar Graph

There are different methods to represent the collected data on the graph. Some of the common methods we use are, line graph, bar graph, histogram, pie charts and many more. A bar graph is a chart with rectangular bars placed vertically or horizontally on the ‘x’ or ‘y’ axis. Depending on their placement they are either call vertical bar graph or horizontal bar graphs.  They help us to mark a clear data of the discrete values. They can represent discontinuous data like color complexion, choice of breakfast , shoe size, eye color and many such examples, where bar graph is the most suitable form of representing data. Bar graph is also suitable for continuous data like weight and height of students in a class, marks obtained by the students etc.

A bargraph is a visual display used to compare the amounts or frequency of occurrence of different characteristics of data. This type of display allows us to compare different groups of data and to make predictions from the bar graph very quickly.
There are different components of the bar graph: Now let us view various components of the bar graph individually. Each component has its own importance. A bar graph is a self explaining method of Graphing so it is most common method of graph representation. We must remember the following names used with bar graph:

1.    Graph Title: It gives us an overview of the information of the graph, and so it is always displayed at the top of the graph.

2.    Axis and their labeling: As there are two axes X- axis and the Y- axis. The labeling done on the axes gives us the information that what field is represented on which axis. So it makes the graph self explanatory.

3.    Grouped Data Axis: It is always placed at the bottom of the bars, which is used to show the type of data being displayed.