Classed Choropleth Map

A Classed  Chorolpleth Map is a type of thematic map that utilizes color shadings to differentiate among a certain class attribute value. This map type portrays data that shows the distribution of males per every 100 females throughout the United States.The state of Nevada actually has more males than females according to this graph.

http://my.ilstu.edu/~jrcarter/Geo204/Choro/