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# Bar Graph Definition

Bar graph is an important part of Statistical graphs and according to Statistics; Bar graph is a pictorial representation of statistical data. Bar graph definition suggests that the independent variable in a Bar Graph can accommodate only few discrete values while the dependent variable may be continuous and discrete as well. The column graph or vertical bar graph is the most common form of bar graph.

There are many characteristics of bar graphs which help to present and understand statistical data in a better manner. Few of them are:
1> The bar graph representation make comparisons among different variables easy to see and understand.
2> The vertical bars on graph show trends in data, it clearly shows the affect of one variable on other: like if one variable falls or rise, and by using bar graph we can notice its affect on other variables.
3> By using value of one variable, we can identify the value of other easily.

The values of independent variables are plotted on vertical bar graph by plotting along horizontal axis from left to right. While values of independent variables are plotted on the horizontal bar by plotting along vertical axis from bottom up.