Choropleth maps portray quantitative data as a color showing the density, percent, average value, or quantity of a phenomenon within the boundary of a geographic area. In a nominal choropleth map the data that is displayed is nominal data. This particular map is a nominal area choropleth map as it displays nominal data and it is also a unstandardized choropleth map. It shows the minority groups with the highest percentage of state population in certain states of the U.S.
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