Immigrants from Italy vs Trinidadian and Tobagonian 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 219,714,835 people shows no correlation between the proportion of Trinidadians and Tobagonians and average family size in the United States with a correlation coefficient (R) of -0.040 and weighted average of 3.32, a difference of 4.3%.

Average Family Size Correlation Summary

Measurement	Immigrants from Italy	Trinidadian and Tobagonian
Minimum	2.00	2.45
Maximum	3.55	4.14
Range	1.55	1.69
Mean	2.84	3.35
Median	2.93	3.34
Interquartile 25% (IQ1)	2.45	3.22
Interquartile 75% (IQ3)	3.21	3.52
Interquartile Range (IQR)	0.76	0.31
Standard Deviation (Sample)	0.45	0.32
Standard Deviation (Population)	0.44	0.32

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 Trinidadians and Tobagonians by Average Family Size

In terms of average family size, the demographic groups most similar to Trinidadians and Tobagonians are Immigrants from Ecuador (3.32, a difference of 0.010%), Immigrants from Barbados (3.32, a difference of 0.020%), Immigrants from Sierra Leone (3.32, a difference of 0.050%), Immigrants from Micronesia (3.32, a difference of 0.050%), and British West Indian (3.32, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Immigrants	99.9 /100 \| #69	Exceptional 3.33
Immigrants \| Trinidad and Tobago	99.9 /100 \| #70	Exceptional 3.33
Immigrants \| West Indies	99.9 /100 \| #71	Exceptional 3.33
Immigrants \| Caribbean	99.9 /100 \| #72	Exceptional 3.33
Yaqui	99.9 /100 \| #73	Exceptional 3.32
Immigrants \| Sierra Leone	99.9 /100 \| #74	Exceptional 3.32
Immigrants \| Barbados	99.8 /100 \| #75	Exceptional 3.32
Trinidadians and Tobagonians	99.8 /100 \| #76	Exceptional 3.32
Immigrants \| Ecuador	99.8 /100 \| #77	Exceptional 3.32
Immigrants \| Micronesia	99.8 /100 \| #78	Exceptional 3.32
British West Indians	99.8 /100 \| #79	Exceptional 3.32
Lumbee	99.8 /100 \| #80	Exceptional 3.32
Immigrants \| Dominica	99.8 /100 \| #81	Exceptional 3.32
Ecuadorians	99.8 /100 \| #82	Exceptional 3.32
Immigrants \| Afghanistan	99.8 /100 \| #83	Exceptional 3.32

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Immigrants	99.9 /100 \| #69	Exceptional 3.33
Immigrants \| Trinidad and Tobago	99.9 /100 \| #70	Exceptional 3.33
Immigrants \| West Indies	99.9 /100 \| #71	Exceptional 3.33
Immigrants \| Caribbean	99.9 /100 \| #72	Exceptional 3.33
Yaqui	99.9 /100 \| #73	Exceptional 3.32
Immigrants \| Sierra Leone	99.9 /100 \| #74	Exceptional 3.32
Immigrants \| Barbados	99.8 /100 \| #75	Exceptional 3.32
Trinidadians and Tobagonians	99.8 /100 \| #76	Exceptional 3.32
Immigrants \| Ecuador	99.8 /100 \| #77	Exceptional 3.32
Immigrants \| Micronesia	99.8 /100 \| #78	Exceptional 3.32
British West Indians	99.8 /100 \| #79	Exceptional 3.32
Lumbee	99.8 /100 \| #80	Exceptional 3.32
Immigrants \| Dominica	99.8 /100 \| #81	Exceptional 3.32
Ecuadorians	99.8 /100 \| #82	Exceptional 3.32
Immigrants \| Afghanistan	99.8 /100 \| #83	Exceptional 3.32