South American vs Immigrants from South Africa Cognitive Disability

The statistical analysis conducted on geographies consisting of 494,074,477 people shows a significant negative correlation between the proportion of South Americans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.608 and weighted average of 16.7%. Similarly, the statistical analysis conducted on geographies consisting of 233,312,895 people shows a slight positive correlation between the proportion of Immigrants from South Africa and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.091 and weighted average of 16.7%, a difference of 0.18%.

Cognitive Disability Correlation Summary

Measurement	South American	Immigrants from South Africa
Minimum	7.3%	2.5%
Maximum	20.3%	23.0%
Range	12.9%	20.5%
Mean	15.2%	12.7%
Median	15.6%	12.6%
Interquartile 25% (IQ1)	14.5%	10.8%
Interquartile 75% (IQ3)	16.8%	14.9%
Interquartile Range (IQR)	2.3%	4.1%
Standard Deviation (Sample)	2.4%	4.1%
Standard Deviation (Population)	2.4%	4.0%

Demographics Similar to South Americans and Immigrants from South Africa by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to South Americans are Immigrants from Egypt (16.7%, a difference of 0.0%), Danish (16.7%, a difference of 0.010%), Immigrants from South America (16.7%, a difference of 0.020%), Immigrants from Southern Europe (16.7%, a difference of 0.020%), and Asian (16.7%, a difference of 0.070%). Similarly, the demographic groups most similar to Immigrants from South Africa are Native Hawaiian (16.7%, a difference of 0.010%), Immigrants from Moldova (16.7%, a difference of 0.030%), Belgian (16.7%, a difference of 0.050%), Serbian (16.7%, a difference of 0.070%), and Immigrants from Philippines (16.7%, a difference of 0.070%).

Demographics	Rating \| Rank	Cognitive Disability
Peruvians	99.3 /100 \| #78	Exceptional 16.7%
Immigrants \| Bulgaria	99.3 /100 \| #79	Exceptional 16.7%
Egyptians	99.2 /100 \| #80	Exceptional 16.7%
Immigrants \| Netherlands	99.2 /100 \| #81	Exceptional 16.7%
Swiss	99.2 /100 \| #82	Exceptional 16.7%
Serbians	99.1 /100 \| #83	Exceptional 16.7%
Belgians	99.1 /100 \| #84	Exceptional 16.7%
Immigrants \| Moldova	99.1 /100 \| #85	Exceptional 16.7%
Immigrants \| South Africa	99.0 /100 \| #86	Exceptional 16.7%
Native Hawaiians	99.0 /100 \| #87	Exceptional 16.7%
Immigrants \| Philippines	99.0 /100 \| #88	Exceptional 16.7%
Immigrants \| Egypt	98.8 /100 \| #89	Exceptional 16.7%
South Americans	98.8 /100 \| #90	Exceptional 16.7%
Danes	98.8 /100 \| #91	Exceptional 16.7%
Immigrants \| South America	98.8 /100 \| #92	Exceptional 16.7%
Immigrants \| Southern Europe	98.7 /100 \| #93	Exceptional 16.7%
Asians	98.7 /100 \| #94	Exceptional 16.7%
English	98.6 /100 \| #95	Exceptional 16.8%
Finns	98.5 /100 \| #96	Exceptional 16.8%
Dutch	98.5 /100 \| #97	Exceptional 16.8%
Immigrants \| Lebanon	98.4 /100 \| #98	Exceptional 16.8%