Bar graphs should be drawn horizontally only , i.e. they can not be drawn vertically.
Explanation:- A bar graph (also known as a bar chart or bar diagram) is a visual tool that uses bars to compare data among categories.
A bar graph may run horizontally or vertically. The important thing to know is that the longer the bar, the greater its value.
In a Bar Graph, bars can be drawn horizontally or vertically.
Therefore, the given statement of the question is