Graphing Statistics & Data
A cartogram or map chart is a map on which different symbols, signs, colours, diagrams, etc are superimposed. Geographically classified data can be presented by this method. It gives a very quick idea about the data in different geographical parts. Production of electricity statewise in a country, procurement of rise distric-wise in a state, munber of coal mines country wise etc can be presented by a cartogram.
This map shows where the population clusters in South America are.