aaa Bar Graph - A graph consisting of parallel, usually vertical bars or rectangles with lengths proportional to the frequency with which specified quantities occur in a set of data. Also called bar...
bar graphs are used to compare different data. a line graph is used to see the changes over a period of time of a specific data. a circle graph is used to represent a part to a whole relationship.
Informally, a graph with relatively few edges is sparse, and a graph with many edges is dense. The following definition defines precisely what we mean when we say that a graph ``has relatively few...