Immigrants from Southern Europe vs Sri Lankan Average Family Size

The statistical analysis conducted on geographies consisting of 402,630,009 people shows a significant negative correlation between the proportion of Immigrants from Southern Europe and average family size in the United States with a correlation coefficient (R) of -0.639 and weighted average of 3.18. Similarly, the statistical analysis conducted on geographies consisting of 440,097,378 people shows a poor positive correlation between the proportion of Sri Lankans and average family size in the United States with a correlation coefficient (R) of 0.185 and weighted average of 3.35, a difference of 5.5%.

Average Family Size Correlation Summary

Measurement	Immigrants from Southern Europe	Sri Lankan
Minimum	1.74	2.62
Maximum	3.74	4.54
Range	2.00	1.92
Mean	2.92	3.55
Median	3.05	3.51
Interquartile 25% (IQ1)	2.85	3.29
Interquartile 75% (IQ3)	3.16	3.80
Interquartile Range (IQR)	0.32	0.51
Standard Deviation (Sample)	0.42	0.38
Standard Deviation (Population)	0.41	0.38

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Southern Europe by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Southern Europe are Hungarian (3.18, a difference of 0.010%), Immigrants from Moldova (3.18, a difference of 0.010%), Immigrants from Japan (3.18, a difference of 0.030%), Immigrants from Brazil (3.18, a difference of 0.030%), and Osage (3.18, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
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
Immigrants \| Brazil	2.7 /100 \| #245	Tragic 3.18
Danes	2.5 /100 \| #246	Tragic 3.17
Cajuns	2.4 /100 \| #247	Tragic 3.17
Immigrants \| Belarus	2.3 /100 \| #248	Tragic 3.17
Immigrants \| Eastern Europe	2.1 /100 \| #249	Tragic 3.17
Puget Sound Salish	1.9 /100 \| #250	Tragic 3.17
Immigrants \| Spain	1.8 /100 \| #251	Tragic 3.17

Demographics Similar to Sri Lankans by Average Family Size

In terms of average family size, the demographic groups most similar to Sri Lankans are Honduran (3.35, a difference of 0.010%), Immigrants from Dominican Republic (3.35, a difference of 0.060%), Japanese (3.35, a difference of 0.10%), Immigrants from Honduras (3.36, a difference of 0.12%), and Immigrants from Armenia (3.35, a difference of 0.12%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Bangladesh	100.0 /100 \| #50	Exceptional 3.36
Nicaraguans	100.0 /100 \| #51	Exceptional 3.36
Fijians	100.0 /100 \| #52	Exceptional 3.36
Koreans	100.0 /100 \| #53	Exceptional 3.36
Immigrants \| South Eastern Asia	100.0 /100 \| #54	Exceptional 3.36
Immigrants \| Honduras	100.0 /100 \| #55	Exceptional 3.36
Immigrants \| Dominican Republic	100.0 /100 \| #56	Exceptional 3.35
Sri Lankans	100.0 /100 \| #57	Exceptional 3.35
Hondurans	100.0 /100 \| #58	Exceptional 3.35
Japanese	100.0 /100 \| #59	Exceptional 3.35
Immigrants \| Armenia	100.0 /100 \| #60	Exceptional 3.35
Central American Indians	100.0 /100 \| #61	Exceptional 3.35
Immigrants \| Grenada	100.0 /100 \| #62	Exceptional 3.34
Chinese	100.0 /100 \| #63	Exceptional 3.34
Dominicans	99.9 /100 \| #64	Exceptional 3.34