Scotch-Irish vs South African 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 182,514,560 people shows a poor positive correlation between the proportion of South Africans and median family income in the United States with a correlation coefficient (R) of 0.136 and weighted average of $113,229, a difference of 13.7%.

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%).

In terms of median family income, the demographic groups most similar to South Africans are Immigrants from Romania ($113,434, a difference of 0.18%), Immigrants from Bulgaria ($113,461, a difference of 0.20%), Immigrants from Serbia ($113,463, a difference of 0.21%), Afghan ($112,971, a difference of 0.23%), and Laotian ($112,859, a difference of 0.33%).