Immigrants from Africa vs Central American Indian Vision Disability

The statistical analysis conducted on geographies consisting of 468,780,270 people shows a poor negative correlation between the proportion of Immigrants from Africa and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.127 and weighted average of 2.1%. Similarly, the statistical analysis conducted on geographies consisting of 326,060,213 people shows a strong positive correlation between the proportion of Central American Indians and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.755 and weighted average of 3.0%, a difference of 41.8%.

Vision Disability Correlation Summary

Measurement	Immigrants from Africa	Central American Indian
Minimum	0.17%	0.79%
Maximum	4.2%	19.1%
Range	4.0%	18.3%
Mean	2.1%	5.3%
Median	2.1%	3.0%
Interquartile 25% (IQ1)	1.8%	2.4%
Interquartile 75% (IQ3)	2.3%	6.4%
Interquartile Range (IQR)	0.50%	4.0%
Standard Deviation (Sample)	0.70%	4.8%
Standard Deviation (Population)	0.70%	4.8%

Similar Demographics by Vision Disability

Demographics Similar to Immigrants from Africa by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Africa are Immigrants from England (2.1%, a difference of 0.010%), Brazilian (2.1%, a difference of 0.030%), Immigrants from Iraq (2.1%, a difference of 0.15%), Immigrants from Bangladesh (2.1%, a difference of 0.20%), and Icelander (2.1%, a difference of 0.24%).

Demographics	Rating \| Rank	Vision Disability
Austrians	69.0 /100 \| #160	Good 2.1%
Iraqis	67.7 /100 \| #161	Good 2.1%
Hungarians	67.4 /100 \| #162	Good 2.1%
Icelanders	66.1 /100 \| #163	Good 2.1%
Immigrants \| Bangladesh	65.5 /100 \| #164	Good 2.1%
Immigrants \| Iraq	64.8 /100 \| #165	Good 2.1%
Immigrants \| England	62.8 /100 \| #166	Good 2.1%
Immigrants \| Africa	62.6 /100 \| #167	Good 2.1%
Brazilians	62.2 /100 \| #168	Good 2.1%
South American Indians	57.4 /100 \| #169	Average 2.2%
Swiss	55.7 /100 \| #170	Average 2.2%
Lebanese	54.3 /100 \| #171	Average 2.2%
Northern Europeans	50.1 /100 \| #172	Average 2.2%
Scandinavians	50.0 /100 \| #173	Average 2.2%
Immigrants \| Canada	50.0 /100 \| #174	Average 2.2%

Demographics Similar to Central American Indians by Vision Disability

In terms of vision disability, the demographic groups most similar to Central American Indians are Seminole (3.1%, a difference of 0.43%), Cajun (3.1%, a difference of 0.45%), Colville (3.0%, a difference of 0.64%), Cheyenne (3.1%, a difference of 1.5%), and Apache (3.0%, a difference of 1.8%).

Demographics	Rating \| Rank	Vision Disability
Hopi	0.0 /100 \| #324	Tragic 2.9%
Cherokee	0.0 /100 \| #325	Tragic 2.9%
Spanish Americans	0.0 /100 \| #326	Tragic 2.9%
Natives/Alaskans	0.0 /100 \| #327	Tragic 3.0%
Yuman	0.0 /100 \| #328	Tragic 3.0%
Apache	0.0 /100 \| #329	Tragic 3.0%
Colville	0.0 /100 \| #330	Tragic 3.0%
Central American Indians	0.0 /100 \| #331	Tragic 3.0%
Seminole	0.0 /100 \| #332	Tragic 3.1%
Cajuns	0.0 /100 \| #333	Tragic 3.1%
Cheyenne	0.0 /100 \| #334	Tragic 3.1%
Navajo	0.0 /100 \| #335	Tragic 3.1%
Alaskan Athabascans	0.0 /100 \| #336	Tragic 3.1%
Dutch West Indians	0.0 /100 \| #337	Tragic 3.2%
Chickasaw	0.0 /100 \| #338	Tragic 3.2%