Sioux vs Immigrants from Romania Average Family Size

The statistical analysis conducted on geographies consisting of 234,114,463 people shows a significant positive correlation between the proportion of Sioux and average family size in the United States with a correlation coefficient (R) of 0.694 and weighted average of 3.52. 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 10.5%.

Average Family Size Correlation Summary

Measurement	Sioux	Immigrants from Romania
Minimum	1.60	1.97
Maximum	7.63	4.06
Range	6.03	2.09
Mean	4.00	3.00
Median	3.58	3.07
Interquartile 25% (IQ1)	3.16	2.88
Interquartile 75% (IQ3)	4.58	3.19
Interquartile Range (IQR)	1.41	0.31
Standard Deviation (Sample)	1.15	0.32
Standard Deviation (Population)	1.14	0.32

Similar Demographics by Average Family Size

Demographics Similar to Sioux by Average Family Size

In terms of average family size, the demographic groups most similar to Sioux are Immigrants from Mexico (3.52, a difference of 0.080%), Tohono O'odham (3.53, a difference of 0.50%), Immigrants from Central America (3.49, a difference of 0.63%), Tongan (3.49, a difference of 0.68%), and Ute (3.49, a difference of 0.74%).

Demographics	Rating \| Rank	Average Family Size
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
Mexicans	100.0 /100 \| #19	Exceptional 3.48
Cheyenne	100.0 /100 \| #20	Exceptional 3.47

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