South American Indian vs Costa Rican Median Family Income

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. 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 0.35%.

In terms of median family income, 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%). 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%).