Costa Rican vs Immigrants from Romania Average Family Size

The statistical analysis conducted on geographies consisting of 253,470,463 people shows a poor positive correlation between the proportion of Costa Ricans and average family size in the United States with a correlation coefficient (R) of 0.171 and weighted average of 3.26. Similarly, the statistical analysis conducted on geographies consisting of 256,963,542 people shows a mild negative correlation between the proportion of Immigrants from Romania and average family size in the United States with a correlation coefficient (R) of -0.374 and weighted average of 3.18, a difference of 2.4%.

Average Family Size Correlation Summary

Measurement	Costa Rican	Immigrants from Romania
Minimum	2.13	1.97
Maximum	4.63	4.06
Range	2.50	2.09
Mean	3.30	3.00
Median	3.23	3.07
Interquartile 25% (IQ1)	3.09	2.88
Interquartile 75% (IQ3)	3.46	3.19
Interquartile Range (IQR)	0.37	0.31
Standard Deviation (Sample)	0.44	0.32
Standard Deviation (Population)	0.44	0.32

Similar Demographics by Average Family Size

Demographics Similar to Costa Ricans by Average Family Size

In terms of average family size, the demographic groups most similar to Costa Ricans are Immigrants from Venezuela (3.26, a difference of 0.020%), Immigrants from Western Asia (3.26, a difference of 0.040%), Laotian (3.26, a difference of 0.070%), African (3.25, a difference of 0.070%), and Immigrants from Hong Kong (3.26, a difference of 0.080%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Cuba	91.3 /100 \| #125	Exceptional 3.26
Immigrants \| Costa Rica	90.7 /100 \| #126	Exceptional 3.26
Immigrants \| Syria	90.6 /100 \| #127	Exceptional 3.26
Colombians	89.9 /100 \| #128	Excellent 3.26
Immigrants \| Hong Kong	88.6 /100 \| #129	Excellent 3.26
Laotians	88.5 /100 \| #130	Excellent 3.26
Immigrants \| Western Asia	87.7 /100 \| #131	Excellent 3.26
Costa Ricans	86.8 /100 \| #132	Excellent 3.26
Immigrants \| Venezuela	86.3 /100 \| #133	Excellent 3.26
Africans	84.9 /100 \| #134	Excellent 3.25
Panamanians	84.2 /100 \| #135	Excellent 3.25
Comanche	82.8 /100 \| #136	Excellent 3.25
Immigrants \| Middle Africa	82.4 /100 \| #137	Excellent 3.25
Cubans	81.8 /100 \| #138	Excellent 3.25
Immigrants \| Ethiopia	81.6 /100 \| #139	Excellent 3.25

Demographics Similar to Immigrants from Romania by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Romania are Romanian (3.18, a difference of 0.0%), Immigrants from Portugal (3.18, a difference of 0.050%), Houma (3.18, a difference of 0.050%), Immigrants from Turkey (3.18, a difference of 0.060%), and Osage (3.18, a difference of 0.070%).

Demographics	Rating \| Rank	Average Family Size
Icelanders	5.2 /100 \| #230	Tragic 3.19
Basques	5.2 /100 \| #231	Tragic 3.19
Cherokee	4.7 /100 \| #232	Tragic 3.18
Brazilians	4.5 /100 \| #233	Tragic 3.18
Iranians	4.5 /100 \| #234	Tragic 3.18
Immigrants \| Turkey	4.2 /100 \| #235	Tragic 3.18
Immigrants \| Portugal	4.2 /100 \| #236	Tragic 3.18
Immigrants \| Romania	3.7 /100 \| #237	Tragic 3.18
Romanians	3.7 /100 \| #238	Tragic 3.18
Houma	3.4 /100 \| #239	Tragic 3.18
Osage	3.2 /100 \| #240	Tragic 3.18
Immigrants \| Japan	3.0 /100 \| #241	Tragic 3.18
Hungarians	3.0 /100 \| #242	Tragic 3.18
Immigrants \| Moldova	2.9 /100 \| #243	Tragic 3.18
Immigrants \| Southern Europe	2.9 /100 \| #244	Tragic 3.18