Scotch-Irish vs Immigrants from Portugal Family Poverty

The statistical analysis conducted on geographies consisting of 545,166,810 people shows a strong positive correlation between the proportion of Scotch-Irish and poverty level among families in the United States with a correlation coefficient (R) of 0.785 and weighted average of 8.6%. Similarly, the statistical analysis conducted on geographies consisting of 174,489,914 people shows a mild positive correlation between the proportion of Immigrants from Portugal and poverty level among families in the United States with a correlation coefficient (R) of 0.328 and weighted average of 9.4%, a difference of 9.9%.

Family Poverty Correlation Summary

Measurement	Scotch-Irish	Immigrants from Portugal
Minimum	3.0%	1.6%
Maximum	100.0%	21.9%
Range	97.0%	20.4%
Mean	17.2%	9.4%
Median	10.8%	8.0%
Interquartile 25% (IQ1)	8.6%	6.1%
Interquartile 75% (IQ3)	19.4%	12.5%
Interquartile Range (IQR)	10.8%	6.4%
Standard Deviation (Sample)	15.9%	5.0%
Standard Deviation (Population)	15.7%	4.9%

Similar Demographics by Family Poverty

Demographics Similar to Scotch-Irish by Family Poverty

In terms of family poverty, the demographic groups most similar to Scotch-Irish are Immigrants from Jordan (8.5%, a difference of 0.21%), Immigrants from Belarus (8.5%, a difference of 0.24%), Immigrants from South Eastern Asia (8.5%, a difference of 0.25%), Albanian (8.5%, a difference of 0.27%), and Immigrants from Germany (8.5%, a difference of 0.29%).

Demographics	Rating \| Rank	Family Poverty
Immigrants \| Ukraine	83.9 /100 \| #141	Excellent 8.5%
Yugoslavians	83.5 /100 \| #142	Excellent 8.5%
Immigrants \| Germany	83.3 /100 \| #143	Excellent 8.5%
Albanians	83.3 /100 \| #144	Excellent 8.5%
Immigrants \| South Eastern Asia	83.2 /100 \| #145	Excellent 8.5%
Immigrants \| Belarus	83.2 /100 \| #146	Excellent 8.5%
Immigrants \| Jordan	83.0 /100 \| #147	Excellent 8.5%
Scotch-Irish	82.2 /100 \| #148	Excellent 8.6%
Mongolians	80.4 /100 \| #149	Excellent 8.6%
Syrians	80.3 /100 \| #150	Excellent 8.6%
Brazilians	80.1 /100 \| #151	Excellent 8.6%
Samoans	79.8 /100 \| #152	Good 8.6%
Immigrants \| Spain	79.1 /100 \| #153	Good 8.6%
Immigrants \| Vietnam	75.4 /100 \| #154	Good 8.7%
Immigrants \| Kuwait	73.6 /100 \| #155	Good 8.7%

Demographics Similar to Immigrants from Portugal by Family Poverty

In terms of family poverty, the demographic groups most similar to Immigrants from Portugal are Immigrants from Sierra Leone (9.4%, a difference of 0.17%), German Russian (9.4%, a difference of 0.21%), Immigrants from Costa Rica (9.4%, a difference of 0.23%), Immigrants from Lebanon (9.4%, a difference of 0.31%), and Spaniard (9.4%, a difference of 0.42%).

Demographics	Rating \| Rank	Family Poverty
South Americans	28.1 /100 \| #194	Fair 9.3%
Venezuelans	27.4 /100 \| #195	Fair 9.3%
Immigrants \| Venezuela	26.1 /100 \| #196	Fair 9.3%
Immigrants \| Colombia	24.4 /100 \| #197	Fair 9.3%
Iraqis	24.2 /100 \| #198	Fair 9.3%
Spaniards	22.8 /100 \| #199	Fair 9.4%
Immigrants \| Costa Rica	21.7 /100 \| #200	Fair 9.4%
Immigrants \| Portugal	20.5 /100 \| #201	Fair 9.4%
Immigrants \| Sierra Leone	19.6 /100 \| #202	Poor 9.4%
German Russians	19.4 /100 \| #203	Poor 9.4%
Immigrants \| Lebanon	18.9 /100 \| #204	Poor 9.4%
Aleuts	18.0 /100 \| #205	Poor 9.5%
Immigrants \| South America	18.0 /100 \| #206	Poor 9.5%
Sierra Leoneans	15.6 /100 \| #207	Poor 9.5%
Immigrants \| Eastern Africa	15.1 /100 \| #208	Poor 9.5%