Which GIS symbology method would best represent both population density and average income for counties?
Understand the Problem
The question asks which GIS symbology method is best for visualizing two different variables (population density and average income) on a county map. We need to choose the method that effectively displays the relationship between these two datasets.
Answer
A bivariate choropleth map.
A bivariate choropleth map is the best GIS symbology method for representing both population density and average income for counties because it allows for the display of two different variables on a single map using a combination of colors or patterns.
Answer for screen readers
A bivariate choropleth map is the best GIS symbology method for representing both population density and average income for counties because it allows for the display of two different variables on a single map using a combination of colors or patterns.
More Information
Choropleth maps use different colors or shades to represent statistical data across different geographic areas. Bivariate maps extend this concept to visualize the relationship between two variables simultaneously.
Tips
A common mistake is to use a single variable thematic map, which can only display one variable at a time and would not effectively show the relationship between population density and average income.
Sources
- Choropleth map - Wikipedia - en.wikipedia.org
- What is a Thematic Map? 6 Types of Thematic Maps - Maptive - maptive.com
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