European vs Czechoslovakian Average Family Size

The statistical analysis conducted on geographies consisting of 561,245,179 people shows no correlation between the proportion of Europeans and average family size in the United States with a correlation coefficient (R) of 0.000 and weighted average of 3.14. Similarly, the statistical analysis conducted on geographies consisting of 368,525,385 people shows a moderate negative correlation between the proportion of Czechoslovakians and average family size in the United States with a correlation coefficient (R) of -0.442 and weighted average of 3.13, a difference of 0.38%.

In terms of average family size, the demographic groups most similar to Europeans are Scandinavian (3.14, a difference of 0.010%), Alsatian (3.14, a difference of 0.020%), Immigrants from Croatia (3.14, a difference of 0.030%), Austrian (3.14, a difference of 0.030%), and Ukrainian (3.14, a difference of 0.030%). Similarly, the demographic groups most similar to Czechoslovakians are Northern European (3.13, a difference of 0.020%), Slavic (3.13, a difference of 0.030%), Immigrants from Northern Europe (3.13, a difference of 0.040%), Immigrants from Serbia (3.13, a difference of 0.080%), and Immigrants from Ireland (3.13, a difference of 0.090%).