Icelander vs Immigrants from Costa Rica Cognitive Disability

The statistical analysis conducted on geographies consisting of 159,644,345 people shows a poor negative correlation between the proportion of Icelanders and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.191 and weighted average of 17.6%. 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 3.8%.

Cognitive Disability Correlation Summary

Measurement	Icelander	Immigrants from Costa Rica
Minimum	0.44%	5.6%
Maximum	26.7%	26.9%
Range	26.3%	21.3%
Mean	13.3%	15.1%
Median	12.8%	15.7%
Interquartile 25% (IQ1)	11.0%	12.6%
Interquartile 75% (IQ3)	16.8%	17.0%
Interquartile Range (IQR)	5.7%	4.5%
Standard Deviation (Sample)	5.1%	4.2%
Standard Deviation (Population)	5.0%	4.1%

Similar Demographics by Cognitive Disability

Demographics Similar to Icelanders by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Icelanders are Immigrants from Sierra Leone (17.6%, a difference of 0.010%), Salvadoran (17.6%, a difference of 0.030%), Zimbabwean (17.6%, a difference of 0.040%), Okinawan (17.6%, a difference of 0.050%), and Moroccan (17.6%, a difference of 0.050%).

Demographics	Rating \| Rank	Cognitive Disability
Taiwanese	7.7 /100 \| #211	Tragic 17.6%
Immigrants \| Oceania	7.3 /100 \| #212	Tragic 17.6%
Hawaiians	7.2 /100 \| #213	Tragic 17.6%
Immigrants \| El Salvador	7.0 /100 \| #214	Tragic 17.6%
Alaskan Athabascans	6.9 /100 \| #215	Tragic 17.6%
Okinawans	6.8 /100 \| #216	Tragic 17.6%
Salvadorans	6.7 /100 \| #217	Tragic 17.6%
Icelanders	6.4 /100 \| #218	Tragic 17.6%
Immigrants \| Sierra Leone	6.3 /100 \| #219	Tragic 17.6%
Zimbabweans	6.1 /100 \| #220	Tragic 17.6%
Moroccans	5.9 /100 \| #221	Tragic 17.6%
Central Americans	4.5 /100 \| #222	Tragic 17.7%
Alsatians	4.5 /100 \| #223	Tragic 17.7%
Fijians	3.4 /100 \| #224	Tragic 17.7%
Vietnamese	3.4 /100 \| #225	Tragic 17.7%

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%