Sioux vs Immigrants from Portugal Married-Couple Family Poverty

The statistical analysis conducted on geographies consisting of 232,751,965 people shows a significant positive correlation between the proportion of Sioux and poverty level among married-couple families in the United States with a correlation coefficient (R) of 0.623 and weighted average of 8.7%. Similarly, the statistical analysis conducted on geographies consisting of 173,825,666 people shows a weak positive correlation between the proportion of Immigrants from Portugal and poverty level among married-couple families in the United States with a correlation coefficient (R) of 0.208 and weighted average of 5.0%, a difference of 75.5%.

Married-Couple Family Poverty Correlation Summary

Measurement	Sioux	Immigrants from Portugal
Minimum	0.94%	1.4%
Maximum	100.0%	17.6%
Range	99.1%	16.3%
Mean	21.0%	5.4%
Median	9.4%	4.3%
Interquartile 25% (IQ1)	5.3%	2.9%
Interquartile 75% (IQ3)	28.6%	6.1%
Interquartile Range (IQR)	23.3%	3.2%
Standard Deviation (Sample)	23.8%	3.7%
Standard Deviation (Population)	23.7%	3.7%

Similar Demographics by Married-Couple Family Poverty

Demographics Similar to Sioux by Married-Couple Family Poverty

In terms of married-couple family poverty, the demographic groups most similar to Sioux are Apache (9.0%, a difference of 2.9%), Yakama (9.0%, a difference of 3.0%), Immigrants from Dominican Republic (8.4%, a difference of 3.6%), Lumbee (8.3%, a difference of 4.3%), and Dominican (8.3%, a difference of 4.8%).

Demographics	Rating \| Rank	Married-Couple Family Poverty
Immigrants \| Mexico	0.0 /100 \| #328	Tragic 7.6%
Natives/Alaskans	0.0 /100 \| #329	Tragic 8.2%
Paiute	0.0 /100 \| #330	Tragic 8.3%
Central American Indians	0.0 /100 \| #331	Tragic 8.3%
Dominicans	0.0 /100 \| #332	Tragic 8.3%
Lumbee	0.0 /100 \| #333	Tragic 8.3%
Immigrants \| Dominican Republic	0.0 /100 \| #334	Tragic 8.4%
Sioux	0.0 /100 \| #335	Tragic 8.7%
Apache	0.0 /100 \| #336	Tragic 9.0%
Yakama	0.0 /100 \| #337	Tragic 9.0%
Cheyenne	0.0 /100 \| #338	Tragic 9.4%
Crow	0.0 /100 \| #339	Tragic 9.6%
Yuman	0.0 /100 \| #340	Tragic 9.7%
Pueblo	0.0 /100 \| #341	Tragic 11.1%
Tohono O'odham	0.0 /100 \| #342	Tragic 11.2%

Demographics Similar to Immigrants from Portugal by Married-Couple Family Poverty

In terms of married-couple family poverty, the demographic groups most similar to Immigrants from Portugal are Immigrants from Brazil (5.0%, a difference of 0.050%), Immigrants from China (5.0%, a difference of 0.050%), German Russian (5.0%, a difference of 0.060%), Chilean (4.9%, a difference of 0.29%), and Immigrants from Egypt (5.0%, a difference of 0.32%).

Demographics	Rating \| Rank	Married-Couple Family Poverty
Immigrants \| Kenya	90.2 /100 \| #133	Exceptional 4.9%
Samoans	90.2 /100 \| #134	Exceptional 4.9%
Assyrians/Chaldeans/Syriacs	89.4 /100 \| #135	Excellent 4.9%
Immigrants \| Hungary	88.7 /100 \| #136	Excellent 4.9%
Guamanians/Chamorros	86.5 /100 \| #137	Excellent 4.9%
Chileans	86.0 /100 \| #138	Excellent 4.9%
German Russians	85.1 /100 \| #139	Excellent 5.0%
Immigrants \| Portugal	84.8 /100 \| #140	Excellent 5.0%
Immigrants \| Brazil	84.6 /100 \| #141	Excellent 5.0%
Immigrants \| China	84.6 /100 \| #142	Excellent 5.0%
Immigrants \| Egypt	83.4 /100 \| #143	Excellent 5.0%
Hmong	83.2 /100 \| #144	Excellent 5.0%
Immigrants \| Spain	79.9 /100 \| #145	Good 5.0%
Mongolians	79.8 /100 \| #146	Good 5.0%
Syrians	78.7 /100 \| #147	Good 5.0%