Italian vs Immigrants from Romania Average Family Size

The statistical analysis conducted on geographies consisting of 574,452,986 people shows a slight positive correlation between the proportion of Italians and average family size in the United States with a correlation coefficient (R) of 0.058 and weighted average of 3.12. 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 2.0%.

Average Family Size Correlation Summary

Measurement	Italian	Immigrants from Romania
Minimum	1.62	1.97
Maximum	4.95	4.06
Range	3.33	2.09
Mean	3.13	3.00
Median	3.12	3.07
Interquartile 25% (IQ1)	3.04	2.88
Interquartile 75% (IQ3)	3.26	3.19
Interquartile Range (IQR)	0.22	0.31
Standard Deviation (Sample)	0.47	0.32
Standard Deviation (Population)	0.47	0.32

Similar Demographics by Average Family Size

Demographics Similar to Italians by Average Family Size

In terms of average family size, the demographic groups most similar to Italians are Eastern European (3.12, a difference of 0.010%), Welsh (3.12, a difference of 0.010%), Serbian (3.12, a difference of 0.060%), Immigrants from North America (3.12, a difference of 0.080%), and Immigrants from Austria (3.12, a difference of 0.11%).

Demographics	Rating \| Rank	Average Family Size
Czechoslovakians	0.1 /100 \| #310	Tragic 3.13
Immigrants \| Northern Europe	0.1 /100 \| #311	Tragic 3.13
Immigrants \| Australia	0.1 /100 \| #312	Tragic 3.13
Bulgarians	0.1 /100 \| #313	Tragic 3.13
Russians	0.1 /100 \| #314	Tragic 3.12
Immigrants \| Scotland	0.1 /100 \| #315	Tragic 3.12
Serbians	0.1 /100 \| #316	Tragic 3.12
Italians	0.1 /100 \| #317	Tragic 3.12
Eastern Europeans	0.1 /100 \| #318	Tragic 3.12
Welsh	0.1 /100 \| #319	Tragic 3.12
Immigrants \| North America	0.0 /100 \| #320	Tragic 3.12
Immigrants \| Austria	0.0 /100 \| #321	Tragic 3.12
Immigrants \| Canada	0.0 /100 \| #322	Tragic 3.12
Soviet Union	0.0 /100 \| #323	Tragic 3.11
Celtics	0.0 /100 \| #324	Tragic 3.11

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