to show a comparison of two sets of data
A double bar graph
you would use a line graph
a bar graph is just a graph but a double bar graph compares 2 things!
no a double bar graph is better
They compare it.
The difference between a bar graph and a double bar graph is...... A bar graph displays one set of data, and a double bar graph compares two different sets of information/data.So should have a key.
bar graph, double bar graph, line graph, and picto graph
double bar graph
A double bar graph shows two sets f data in one chart. A bar graph just shows one.
A double bar graph plots two sets of data on a single chart, whereas a bar graph plots just one.
When comparing two things in the graph, you use double bars per interval.
they both have bars?