A bar graph is a pictorial rendition of statistical data in which the independent variable can attain only certain discrete values. The dependent variable may be discrete or continuous. The most common form of bar graph is the vertical bar graph, also called a column graph.
properties of bar graph
here are properties of bar graph which make them unique
- the rectangular bar can be drawn horizontally or vertically
- the height of the rectangular bar is equivalent to the data they represent
- the rectangular bars must be on the common base
- all rectangular bars should have equal width and should have equal space between them