Scotch-Irish vs Immigrants from Costa Rica Median Family Income

The statistical analysis conducted on geographies consisting of 547,821,252 people shows a poor negative correlation between the proportion of Scotch-Irish and median family income in the United States with a correlation coefficient (R) of -0.179 and weighted average of $99,591. Similarly, the statistical analysis conducted on geographies consisting of 204,217,887 people shows a slight positive correlation between the proportion of Immigrants from Costa Rica and median family income in the United States with a correlation coefficient (R) of 0.092 and weighted average of $101,354, a difference of 1.8%.

In terms of median family income, the demographic groups most similar to Scotch-Irish are White/Caucasian ($99,800, a difference of 0.21%), Immigrants from Thailand ($99,840, a difference of 0.25%), Spanish ($99,977, a difference of 0.39%), Yugoslavian ($100,119, a difference of 0.53%), and Immigrants from Africa ($100,256, a difference of 0.67%). Similarly, the demographic groups most similar to Immigrants from Costa Rica are Kenyan ($101,417, a difference of 0.060%), Dutch ($101,192, a difference of 0.16%), Celtic ($101,139, a difference of 0.21%), Tlingit-Haida ($101,092, a difference of 0.26%), and Guamanian/Chamorro ($101,061, a difference of 0.29%).