African vs Immigrants from Costa Rica 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 204,266,656 people shows a weak negative correlation between the proportion of Immigrants from Costa Rica and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.275 and weighted average of 17.0%, a difference of 9.9%.

Cognitive Disability Correlation Summary

Measurement	African	Immigrants from Costa Rica
Minimum	2.0%	5.6%
Maximum	40.3%	26.9%
Range	38.3%	21.3%
Mean	18.6%	15.1%
Median	18.8%	15.7%
Interquartile 25% (IQ1)	17.0%	12.6%
Interquartile 75% (IQ3)	20.4%	17.0%
Interquartile Range (IQR)	3.4%	4.5%
Standard Deviation (Sample)	6.1%	4.2%
Standard Deviation (Population)	6.0%	4.1%

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 Costa Rica by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Costa Rica are Nicaraguan (17.0%, a difference of 0.010%), Immigrants from Uruguay (17.0%, a difference of 0.020%), European (17.0%, a difference of 0.040%), Immigrants from Vietnam (17.0%, a difference of 0.080%), and Immigrants from Germany (17.0%, a difference of 0.11%).

Demographics	Rating \| Rank	Cognitive Disability
Scottish	95.0 /100 \| #120	Exceptional 16.9%
Immigrants \| China	94.9 /100 \| #121	Exceptional 16.9%
Immigrants \| Western Europe	94.8 /100 \| #122	Exceptional 16.9%
Portuguese	94.7 /100 \| #123	Exceptional 16.9%
Turks	94.5 /100 \| #124	Exceptional 16.9%
Scandinavians	94.1 /100 \| #125	Exceptional 16.9%
Europeans	93.4 /100 \| #126	Exceptional 17.0%
Immigrants \| Costa Rica	93.1 /100 \| #127	Exceptional 17.0%
Nicaraguans	93.0 /100 \| #128	Exceptional 17.0%
Immigrants \| Uruguay	92.9 /100 \| #129	Exceptional 17.0%
Immigrants \| Vietnam	92.4 /100 \| #130	Exceptional 17.0%
Immigrants \| Germany	92.1 /100 \| #131	Exceptional 17.0%
Whites/Caucasians	92.1 /100 \| #132	Exceptional 17.0%
Immigrants \| Jordan	91.9 /100 \| #133	Exceptional 17.0%
Immigrants \| Chile	91.7 /100 \| #134	Exceptional 17.0%