Scotch-Irish vs Salvadoran 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 398,577,694 people shows a poor negative correlation between the proportion of Salvadorans and median family income in the United States with a correlation coefficient (R) of -0.145 and weighted average of $94,109, a difference of 5.8%.

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%).

In terms of median family income, the demographic groups most similar to Salvadorans are Somali ($94,085, a difference of 0.030%), Nepalese ($94,153, a difference of 0.050%), Immigrants from Trinidad and Tobago ($93,988, a difference of 0.13%), Barbadian ($93,919, a difference of 0.20%), and German Russian ($93,858, a difference of 0.27%).