Costa Rican vs Immigrants from Africa Cognitive Disability

The statistical analysis conducted on geographies consisting of 253,564,903 people shows a poor negative correlation between the proportion of Costa Ricans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.162 and weighted average of 17.0%. Similarly, the statistical analysis conducted on geographies consisting of 469,350,662 people shows no correlation between the proportion of Immigrants from Africa and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.034 and weighted average of 18.1%, a difference of 6.5%.

Cognitive Disability Correlation Summary

Measurement	Costa Rican	Immigrants from Africa
Minimum	5.6%	3.7%
Maximum	24.1%	32.8%
Range	18.5%	29.1%
Mean	15.4%	17.9%
Median	15.5%	18.2%
Interquartile 25% (IQ1)	12.8%	17.0%
Interquartile 75% (IQ3)	17.4%	19.1%
Interquartile Range (IQR)	4.6%	2.1%
Standard Deviation (Sample)	3.6%	4.3%
Standard Deviation (Population)	3.6%	4.3%

Similar Demographics by Cognitive Disability

Demographics Similar to Costa Ricans by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Costa Ricans are Immigrants from South Eastern Asia (17.0%, a difference of 0.050%), British (17.0%, a difference of 0.10%), Immigrants from Brazil (17.0%, a difference of 0.10%), Carpatho Rusyn (17.0%, a difference of 0.12%), and Scotch-Irish (17.1%, a difference of 0.13%).

Demographics	Rating \| Rank	Cognitive Disability
French	90.0 /100 \| #139	Excellent 17.0%
Chileans	89.9 /100 \| #140	Excellent 17.0%
Aleuts	89.9 /100 \| #141	Excellent 17.0%
Carpatho Rusyns	89.6 /100 \| #142	Excellent 17.0%
British	89.3 /100 \| #143	Excellent 17.0%
Immigrants \| Brazil	89.3 /100 \| #144	Excellent 17.0%
Immigrants \| South Eastern Asia	88.7 /100 \| #145	Excellent 17.0%
Costa Ricans	88.0 /100 \| #146	Excellent 17.0%
Scotch-Irish	85.9 /100 \| #147	Excellent 17.1%
French Canadians	85.7 /100 \| #148	Excellent 17.1%
Cypriots	85.7 /100 \| #149	Excellent 17.1%
Basques	85.5 /100 \| #150	Excellent 17.1%
Syrians	83.0 /100 \| #151	Excellent 17.1%
Immigrants \| Indonesia	82.7 /100 \| #152	Excellent 17.1%
Immigrants \| Kazakhstan	80.5 /100 \| #153	Excellent 17.1%

Demographics Similar to Immigrants from Africa by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Africa are Native/Alaskan (18.1%, a difference of 0.030%), Immigrants from West Indies (18.1%, a difference of 0.040%), Dutch West Indian (18.1%, a difference of 0.050%), Kenyan (18.1%, a difference of 0.090%), and Bermudan (18.1%, a difference of 0.13%).

Demographics	Rating \| Rank	Cognitive Disability
Nigerians	0.1 /100 \| #283	Tragic 18.1%
Immigrants \| Uganda	0.1 /100 \| #284	Tragic 18.1%
Bermudans	0.1 /100 \| #285	Tragic 18.1%
Kenyans	0.1 /100 \| #286	Tragic 18.1%
Dutch West Indians	0.1 /100 \| #287	Tragic 18.1%
Immigrants \| West Indies	0.1 /100 \| #288	Tragic 18.1%
Natives/Alaskans	0.1 /100 \| #289	Tragic 18.1%
Immigrants \| Africa	0.1 /100 \| #290	Tragic 18.1%
Ottawa	0.1 /100 \| #291	Tragic 18.2%
Iroquois	0.1 /100 \| #292	Tragic 18.2%
Central American Indians	0.1 /100 \| #293	Tragic 18.2%
British West Indians	0.1 /100 \| #294	Tragic 18.2%
German Russians	0.0 /100 \| #295	Tragic 18.2%
Immigrants \| Burma/Myanmar	0.0 /100 \| #296	Tragic 18.2%
Blackfeet	0.0 /100 \| #297	Tragic 18.3%