Welsh vs Czechoslovakian Median Household Income

The statistical analysis conducted on geographies consisting of 527,928,431 people shows a poor positive correlation between the proportion of Welsh and median household income in the United States with a correlation coefficient (R) of 0.107 and weighted average of $83,628. Similarly, the statistical analysis conducted on geographies consisting of 368,473,547 people shows a poor negative correlation between the proportion of Czechoslovakians and median household income in the United States with a correlation coefficient (R) of -0.138 and weighted average of $84,965, a difference of 1.6%.

In terms of median household income, the demographic groups most similar to Welsh are Finnish ($83,607, a difference of 0.030%), Ghanaian ($83,582, a difference of 0.060%), Immigrants from Armenia ($83,555, a difference of 0.090%), Iraqi ($83,753, a difference of 0.15%), and Slovak ($83,798, a difference of 0.20%). Similarly, the demographic groups most similar to Czechoslovakians are English ($84,915, a difference of 0.060%), Immigrants from Eritrea ($85,025, a difference of 0.070%), Immigrants from Costa Rica ($85,054, a difference of 0.10%), Alsatian ($85,053, a difference of 0.10%), and Immigrants from Portugal ($84,740, a difference of 0.27%).