Use the show statistical significance button to display geographic areas significantly different from a selected geography on a thematic map. Geographies that are shaded are statistically similar to the selected geography. Geographies that are not shaded are statistically different form the selected geography.
In the example of Southern states below:
▪ Selected state – Alabama
▪ Statistically significant different states – Georgia and Florida
▪ Statistically significant similar state – South Carolina
Statistical Significance of data is usually reported at the 90% confidence-level.
1. Click the statistical significance button,
2. Click a geography on the map to compare to the surrounding geographies
Changing Data Classes
Creating a Thematic Map
Finding a Location and Repositioning a Map
Changing Map Boundaries and Features
Placing Map Markers
Basic Map Tools