Immigrants from Italy vs Sri Lankan Average Family Size

The statistical analysis conducted on geographies consisting of 324,146,965 people shows a moderate negative correlation between the proportion of Immigrants from Italy and average family size in the United States with a correlation coefficient (R) of -0.444 and weighted average of 3.19. 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 5.2%.

Average Family Size Correlation Summary

Measurement	Immigrants from Italy	Sri Lankan
Minimum	2.00	2.62
Maximum	3.55	4.54
Range	1.55	1.92
Mean	2.84	3.55
Median	2.93	3.51
Interquartile 25% (IQ1)	2.45	3.29
Interquartile 75% (IQ3)	3.21	3.80
Interquartile Range (IQR)	0.76	0.51
Standard Deviation (Sample)	0.45	0.38
Standard Deviation (Population)	0.44	0.38

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Italy by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Italy are Icelander (3.19, a difference of 0.010%), Basque (3.19, a difference of 0.010%), Nonimmigrants (3.19, a difference of 0.040%), Chickasaw (3.19, a difference of 0.060%), and Portuguese (3.19, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Kuwait	7.2 /100 \| #222	Tragic 3.19
Immigrants \| Zimbabwe	7.1 /100 \| #223	Tragic 3.19
Syrians	6.5 /100 \| #224	Tragic 3.19
Cree	6.2 /100 \| #225	Tragic 3.19
Chickasaw	6.0 /100 \| #226	Tragic 3.19
Portuguese	6.0 /100 \| #227	Tragic 3.19
Immigrants \| Nonimmigrants	5.7 /100 \| #228	Tragic 3.19
Immigrants \| Italy	5.3 /100 \| #229	Tragic 3.19
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

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