Graphs are part of the story that numbers tell. Graphs can support research results, and they can assist in persuading the reader about a point being made. Graphs have been used for several hundred years to summarize and display data. New types of Graphs are always being created.
Work Step by Step
They summarize large numbers of individual pieces of data so that we can see at a glance the distribution of the values and the frequency or relationship story that is being conveyed.