Spanish American Indian vs Immigrants from Portugal Average Family Size

The statistical analysis conducted on geographies consisting of 73,145,550 people shows a poor negative correlation between the proportion of Spanish American Indians and average family size in the United States with a correlation coefficient (R) of -0.178 and weighted average of 3.58. Similarly, the statistical analysis conducted on geographies consisting of 174,766,763 people shows a moderate negative correlation between the proportion of Immigrants from Portugal and average family size in the United States with a correlation coefficient (R) of -0.426 and weighted average of 3.18, a difference of 12.6%.

Average Family Size Correlation Summary

Measurement	Spanish American Indian	Immigrants from Portugal
Minimum	2.46	2.00
Maximum	4.29	3.95
Range	1.83	1.95
Mean	3.49	3.10
Median	3.46	3.09
Interquartile 25% (IQ1)	3.15	2.89
Interquartile 75% (IQ3)	3.90	3.26
Interquartile Range (IQR)	0.75	0.37
Standard Deviation (Sample)	0.48	0.35
Standard Deviation (Population)	0.47	0.35

Similar Demographics by Average Family Size

Demographics Similar to Spanish American Indians by Average Family Size

In terms of average family size, the demographic groups most similar to Spanish American Indians are Hopi (3.60, a difference of 0.35%), Immigrants from Yemen (3.60, a difference of 0.36%), Inupiat (3.63, a difference of 1.2%), Arapaho (3.64, a difference of 1.4%), and Tohono O'odham (3.53, a difference of 1.4%).

Demographics	Rating \| Rank	Average Family Size
Pueblo	100 /100 \| #3	Exceptional 3.79
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

Demographics Similar to Immigrants from Portugal by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Portugal are Immigrants from Turkey (3.18, a difference of 0.010%), Iranian (3.18, a difference of 0.030%), Brazilian (3.18, a difference of 0.040%), Immigrants from Romania (3.18, a difference of 0.050%), and Romanian (3.18, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
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
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