A bar or column chart.
A bar graph is a graph that has vertical or horizontal bars to represent numbers. A bar graph is usually used to compare two different things with each other.
use a bar graph
Line graphs are better for representing things that vary continuously, like temperature against time. Bar graphs are better for representing things that are counts not mapped against a continuous variable such as time, so in your case I would recommend a bar graph.
A graph.
graph
A line graph to compare temperatures over time. A bar graph to compare temperatures at different locations (cities), for example.
a bar graph
A graph that uses bars is simply called a bar graph.
A bar graph would be best to compare the nutrients in two different types of bread.
The best graph for the purpose of comparing raw numbers between different qualitative categories would be a bar graph or some variation thereof.
Any graph can be used for such a purpose.
chart/bar graph