Immigrants from Italy vs Tohono O'odham 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 58,718,905 people shows a moderate positive correlation between the proportion of Tohono O'odham and average family size in the United States with a correlation coefficient (R) of 0.410 and weighted average of 3.53, a difference of 10.9%.

Average Family Size Correlation Summary

Measurement	Immigrants from Italy	Tohono O'odham
Minimum	2.00	2.75
Maximum	3.55	5.54
Range	1.55	2.79
Mean	2.84	3.83
Median	2.93	3.84
Interquartile 25% (IQ1)	2.45	3.31
Interquartile 75% (IQ3)	3.21	4.30
Interquartile Range (IQR)	0.76	0.99
Standard Deviation (Sample)	0.45	0.70
Standard Deviation (Population)	0.44	0.69

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 Tohono O'odham by Average Family Size

In terms of average family size, the demographic groups most similar to Tohono O'odham are Immigrants from Mexico (3.52, a difference of 0.42%), Sioux (3.52, a difference of 0.50%), Immigrants from Central America (3.49, a difference of 1.1%), Tongan (3.49, a difference of 1.2%), and Ute (3.49, a difference of 1.2%).

Demographics	Rating \| Rank	Average Family Size
Pima	100 /100 \| #4	Exceptional 3.75
Navajo	100.0 /100 \| #5	Exceptional 3.65
Arapaho	100.0 /100 \| #6	Exceptional 3.64
Inupiat	100.0 /100 \| #7	Exceptional 3.63
Immigrants \| Yemen	100.0 /100 \| #8	Exceptional 3.60
Hopi	100.0 /100 \| #9	Exceptional 3.60
Spanish American Indians	100.0 /100 \| #10	Exceptional 3.58
Tohono O'odham	100.0 /100 \| #11	Exceptional 3.53
Immigrants \| Mexico	100.0 /100 \| #12	Exceptional 3.52
Sioux	100.0 /100 \| #13	Exceptional 3.52
Immigrants \| Central America	100.0 /100 \| #14	Exceptional 3.49
Tongans	100.0 /100 \| #15	Exceptional 3.49
Ute	100.0 /100 \| #16	Exceptional 3.49
Immigrants \| El Salvador	100.0 /100 \| #17	Exceptional 3.49
Salvadorans	100.0 /100 \| #18	Exceptional 3.48