Costa Rican vs South American Indian Median Family Income

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. Similarly, the statistical analysis conducted on geographies consisting of 164,518,515 people shows a poor negative correlation between the proportion of South American Indians and median family income in the United States with a correlation coefficient (R) of -0.185 and weighted average of $103,624, a difference of 0.35%.

In terms of median family income, 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%). Similarly, the demographic groups most similar to South American Indians are English ($103,684, a difference of 0.060%), Immigrants from Peru ($103,534, a difference of 0.090%), Slovak ($103,729, a difference of 0.10%), Sierra Leonean ($103,859, a difference of 0.23%), and Czechoslovakian ($103,273, a difference of 0.34%).