Univariate Choropleth Maps

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Univariate Choropleth maps are a type of choropleth map that only displays data from one variable. This is a very simple choropleth map, but it still meets all the requirements to efficiently and confidently be considered a choropleth map. In this example of a univariate choropleth map, the one and only variable that is being portrayed is estiamted median household income in 2008 in the United States. The darker the shading, the higher the income and visa versa with the lighter shading.