Welsh vs Costa Rican Median Family Income

The statistical analysis conducted on geographies consisting of 527,824,493 people shows a weak negative correlation between the proportion of Welsh and median family income in the United States with a correlation coefficient (R) of -0.201 and weighted average of $102,151. Similarly, the statistical analysis conducted on geographies consisting of 253,398,040 people shows no correlation between the proportion of Costa Ricans and median family income in the United States with a correlation coefficient (R) of 0.021 and weighted average of $103,989, a difference of 1.8%.

In terms of median family income, the demographic groups most similar to Welsh are German ($102,254, a difference of 0.10%), French ($102,368, a difference of 0.21%), Immigrants from Eastern Africa ($102,451, a difference of 0.29%), South American ($101,856, a difference of 0.29%), and Finnish ($102,676, a difference of 0.51%). Similarly, the demographic groups most similar to Costa Ricans are Immigrants from Sierra Leone ($103,990, a difference of 0.0%), Sierra Leonean ($103,859, a difference of 0.13%), Slovak ($103,729, a difference of 0.25%), Icelander ($104,282, a difference of 0.28%), and Scottish ($104,288, a difference of 0.29%).