A Bivariate choropleth map uses 2 variables to
display information on one map. To differentiate between the 2 variables
symbols or colors can be used to show the different relationships of phenomenon
in the map. The above map shows 2 variables of information being displayed in
the map using colors. The blue shades represent the percentage of rural
populations and the red colors represent percentage of population under the age
of 18. The map then takes the separate information and places it into a larger
map where you can see how the two phenomenons differentiate.
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