African vs Immigrants from Portugal Cognitive Disability

The statistical analysis conducted on geographies consisting of 469,983,328 people shows a slight negative correlation between the proportion of Africans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.056 and weighted average of 18.6%. Similarly, the statistical analysis conducted on geographies consisting of 174,785,813 people shows a weak positive correlation between the proportion of Immigrants from Portugal and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.283 and weighted average of 17.2%, a difference of 8.3%.

Cognitive Disability Correlation Summary

Measurement	African	Immigrants from Portugal
Minimum	2.0%	3.0%
Maximum	40.3%	31.5%
Range	38.3%	28.5%
Mean	18.6%	17.0%
Median	18.8%	16.4%
Interquartile 25% (IQ1)	17.0%	15.0%
Interquartile 75% (IQ3)	20.4%	19.2%
Interquartile Range (IQR)	3.4%	4.3%
Standard Deviation (Sample)	6.1%	4.0%
Standard Deviation (Population)	6.0%	4.0%

Similar Demographics by Cognitive Disability

Demographics Similar to Africans by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Africans are Immigrants from Liberia (18.7%, a difference of 0.060%), Pueblo (18.7%, a difference of 0.080%), Apache (18.6%, a difference of 0.090%), Comanche (18.6%, a difference of 0.13%), and Bangladeshi (18.6%, a difference of 0.17%).

Demographics	Rating \| Rank	Cognitive Disability
Sub-Saharan Africans	0.0 /100 \| #314	Tragic 18.5%
Immigrants \| Dominica	0.0 /100 \| #315	Tragic 18.6%
Immigrants \| Middle Africa	0.0 /100 \| #316	Tragic 18.6%
Liberians	0.0 /100 \| #317	Tragic 18.6%
Bangladeshis	0.0 /100 \| #318	Tragic 18.6%
Comanche	0.0 /100 \| #319	Tragic 18.6%
Apache	0.0 /100 \| #320	Tragic 18.6%
Africans	0.0 /100 \| #321	Tragic 18.6%
Immigrants \| Liberia	0.0 /100 \| #322	Tragic 18.7%
Pueblo	0.0 /100 \| #323	Tragic 18.7%
Dominicans	0.0 /100 \| #324	Tragic 18.7%
Indonesians	0.0 /100 \| #325	Tragic 18.7%
Immigrants \| Senegal	0.0 /100 \| #326	Tragic 18.7%
U.S. Virgin Islanders	0.0 /100 \| #327	Tragic 18.7%
Kiowa	0.0 /100 \| #328	Tragic 18.7%

Demographics Similar to Immigrants from Portugal by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Portugal are Immigrants (17.2%, a difference of 0.020%), Immigrants from Syria (17.2%, a difference of 0.050%), Ecuadorian (17.2%, a difference of 0.070%), Tlingit-Haida (17.2%, a difference of 0.070%), and Immigrants from Ecuador (17.2%, a difference of 0.080%).

Demographics	Rating \| Rank	Cognitive Disability
Yugoslavians	71.6 /100 \| #162	Good 17.2%
Immigrants \| Switzerland	71.5 /100 \| #163	Good 17.2%
Armenians	70.1 /100 \| #164	Good 17.2%
Immigrants \| Albania	64.9 /100 \| #165	Good 17.2%
Immigrants \| Ecuador	64.4 /100 \| #166	Good 17.2%
Immigrants \| Syria	63.5 /100 \| #167	Good 17.2%
Immigrants \| Immigrants	62.5 /100 \| #168	Good 17.2%
Immigrants \| Portugal	61.8 /100 \| #169	Good 17.2%
Ecuadorians	59.6 /100 \| #170	Average 17.2%
Tlingit-Haida	59.4 /100 \| #171	Average 17.2%
Immigrants \| Turkey	56.7 /100 \| #172	Average 17.2%
Immigrants \| Northern Africa	50.2 /100 \| #173	Average 17.3%
Laotians	50.0 /100 \| #174	Average 17.3%
Tsimshian	49.8 /100 \| #175	Average 17.3%
Shoshone	49.2 /100 \| #176	Average 17.3%