Scotch-Irish vs South American Indian Median Male Earnings

The statistical analysis conducted on geographies consisting of 547,724,250 people shows a weak negative correlation between the proportion of Scotch-Irish and median male earnings in the United States with a correlation coefficient (R) of -0.290 and weighted average of $53,658. Similarly, the statistical analysis conducted on geographies consisting of 164,558,880 people shows a weak positive correlation between the proportion of South American Indians and median male earnings in the United States with a correlation coefficient (R) of 0.261 and weighted average of $54,508, a difference of 1.6%.

In terms of median male earnings, the demographic groups most similar to Scotch-Irish are Guamanian/Chamorro ($53,661, a difference of 0.010%), Uruguayan ($53,680, a difference of 0.040%), Puget Sound Salish ($53,704, a difference of 0.090%), Immigrants from Eastern Africa ($53,713, a difference of 0.10%), and Immigrants from Eritrea ($53,715, a difference of 0.11%). Similarly, the demographic groups most similar to South American Indians are South American ($54,492, a difference of 0.030%), Dutch ($54,410, a difference of 0.18%), Spaniard ($54,401, a difference of 0.20%), Welsh ($54,647, a difference of 0.25%), and Costa Rican ($54,279, a difference of 0.42%).