Scotch-Irish vs Immigrants from Iran Cognitive Disability

The statistical analysis conducted on geographies consisting of 548,652,939 people shows a moderate positive correlation between the proportion of Scotch-Irish and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.427 and weighted average of 17.1%. Similarly, the statistical analysis conducted on geographies consisting of 279,837,445 people shows a substantial positive correlation between the proportion of Immigrants from Iran and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.529 and weighted average of 16.5%, a difference of 3.2%.

Cognitive Disability Correlation Summary

Measurement	Scotch-Irish	Immigrants from Iran
Minimum	0.99%	3.9%
Maximum	53.9%	52.5%
Range	52.9%	48.6%
Mean	17.2%	15.5%
Median	16.0%	14.9%
Interquartile 25% (IQ1)	13.2%	12.3%
Interquartile 75% (IQ3)	18.6%	17.5%
Interquartile Range (IQR)	5.4%	5.3%
Standard Deviation (Sample)	9.4%	5.7%
Standard Deviation (Population)	9.3%	5.7%

Similar Demographics by Cognitive Disability

Demographics Similar to Scotch-Irish by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Scotch-Irish are French Canadian (17.1%, a difference of 0.010%), Cypriot (17.1%, a difference of 0.010%), Basque (17.1%, a difference of 0.030%), Costa Rican (17.0%, a difference of 0.13%), and Syrian (17.1%, a difference of 0.16%).

Demographics	Rating \| Rank	Cognitive Disability
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%
Immigrants \| Malaysia	79.3 /100 \| #154	Good 17.1%

Demographics Similar to Immigrants from Iran by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Iran are Swedish (16.5%, a difference of 0.040%), Immigrants from Venezuela (16.5%, a difference of 0.090%), Soviet Union (16.5%, a difference of 0.10%), Immigrants from Korea (16.5%, a difference of 0.14%), and Austrian (16.6%, a difference of 0.18%).

Demographics	Rating \| Rank	Cognitive Disability
Immigrants \| Italy	99.8 /100 \| #47	Exceptional 16.5%
Immigrants \| North America	99.8 /100 \| #48	Exceptional 16.5%
Iranians	99.8 /100 \| #49	Exceptional 16.5%
Norwegians	99.8 /100 \| #50	Exceptional 16.5%
Immigrants \| Korea	99.8 /100 \| #51	Exceptional 16.5%
Soviet Union	99.8 /100 \| #52	Exceptional 16.5%
Swedes	99.8 /100 \| #53	Exceptional 16.5%
Immigrants \| Iran	99.8 /100 \| #54	Exceptional 16.5%
Immigrants \| Venezuela	99.7 /100 \| #55	Exceptional 16.5%
Austrians	99.7 /100 \| #56	Exceptional 16.6%
Bhutanese	99.7 /100 \| #57	Exceptional 16.6%
Pennsylvania Germans	99.7 /100 \| #58	Exceptional 16.6%
Immigrants \| Peru	99.7 /100 \| #59	Exceptional 16.6%
Romanians	99.7 /100 \| #60	Exceptional 16.6%
Immigrants \| England	99.6 /100 \| #61	Exceptional 16.6%