Scotch-Irish vs Portuguese 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 449,790,054 people shows a weak negative correlation between the proportion of Portuguese and median family income in the United States with a correlation coefficient (R) of -0.275 and weighted average of $106,286, a difference of 6.7%.

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 Portuguese are Immigrants from South Eastern Asia ($106,252, a difference of 0.030%), Immigrants from Uganda ($106,188, a difference of 0.090%), Immigrants from Vietnam ($106,186, a difference of 0.090%), Luxembourger ($106,183, a difference of 0.10%), and Norwegian ($106,144, a difference of 0.13%).