Sunday, December 5, 2010

Standardized choropleth map

http://personal.uncc.edu/lagaro/cwg/color/color_symbol.html
A standardized choropleth map averages the data presented areally to a specific unit. This particular map shows the expenditure per pupil of the public education system of North Carolina, divided by county. An unstandardized map would present a far different picture, being skewed by counties with exceptionally large or small populations. This type of map presents this type of data more accurately than an unstandardized choropleth map would.

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