A bar graph is a representation of categorized data using rectangular bars whose heights are indicative of the quantities that they represent. From this description of the bar graph, the correct option that shows what a bar graph is is;
- A. Diagram showing a system of connections between two or more things using bars.
A graph shows the connection between two variables. A bar graph shows the connection between these two variables using rectangles that could be positioned vertically or horizontally.
Two variables being compared could be the years and expenses that were sustained by an organization.
Therefore, option C is correct.
Learn more here:
https://brainly.com/question/17989087