what is bar graph? what are the different types of bar graph?

Here is answer to your question

A Bar Graph is the graphical representation of data using bars of different heights, the bars are vertical which means that the taller the bar, the larger the category. It is used to compare groups of data, and to make generalizations about the data quickly.

Different type of Bar Graph are :

1. Simple Bar Graph

2.  Horizontal Bar Graph

3.  Range Bar Graph

  4.  Histogram