Subsaharan African vs Czechoslovakian Vision Disability
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Subsaharan African
 Czechoslovakian
 Vision Disability
Vision Disability Comparison
Sub-Saharan Africans
Czechoslovakians
2.3%
VISION DISABILITY
0.5/ 100
METRIC RATING
248th/ 347
METRIC RANK
2.2%
VISION DISABILITY
21.6/ 100
METRIC RATING
198th/ 347
METRIC RANK
Subsaharan African vs Czechoslovakian Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 507,474,731 people shows a weak positive correlation between the proportion of Sub-Saharan Africans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.288 and weighted average of 2.3%. Similarly, the statistical analysis conducted on geographies consisting of 368,413,881 people shows a strong positive correlation between the proportion of Czechoslovakians and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.735 and weighted average of 2.2%, a difference of 6.2%.
 
Vision Disability Correlation Summary
| Measurement | Subsaharan African | Czechoslovakian | 
| Minimum | 0.34% | 0.51% | 
| Maximum | 9.3% | 39.0% | 
| Range | 9.0% | 38.5% | 
| Mean | 2.6% | 4.3% | 
| Median | 2.3% | 2.5% | 
| Interquartile 25% (IQ1) | 2.0% | 2.2% | 
| Interquartile 75% (IQ3) | 2.7% | 3.6% | 
| Interquartile Range (IQR) | 0.74% | 1.4% | 
| Standard Deviation (Sample) | 1.6% | 6.2% | 
| Standard Deviation (Population) | 1.6% | 6.2% | 
Similar Demographics by Vision Disability
Demographics Similar to Sub-Saharan Africans by Vision Disability
In terms of vision disability, the demographic groups most similar to Sub-Saharan Africans are Liberian (2.3%, a difference of 0.010%), Guatemalan (2.3%, a difference of 0.020%), French (2.3%, a difference of 0.060%), Bangladeshi (2.3%, a difference of 0.10%), and Alsatian (2.3%, a difference of 0.21%).
| Demographics | Rating | Rank | Vision Disability | 
| Malaysians | 0.9 /100 | #241  | Tragic 2.3%  | 
| Immigrants | Panama | 0.8 /100 | #242  | Tragic 2.3%  | 
| Immigrants | Nicaragua | 0.6 /100 | #243  | Tragic 2.3%  | 
| Immigrants | West Indies | 0.6 /100 | #244  | Tragic 2.3%  | 
| Alsatians | 0.6 /100 | #245  | Tragic 2.3%  | 
| French | 0.5 /100 | #246  | Tragic 2.3%  | 
| Guatemalans | 0.5 /100 | #247  | Tragic 2.3%  | 
| Sub-Saharan Africans | 0.5 /100 | #248  | Tragic 2.3%  | 
| Liberians | 0.5 /100 | #249  | Tragic 2.3%  | 
| Bangladeshis | 0.5 /100 | #250  | Tragic 2.3%  | 
| Immigrants | Laos | 0.4 /100 | #251  | Tragic 2.4%  | 
| Immigrants | Micronesia | 0.3 /100 | #252  | Tragic 2.4%  | 
| Japanese | 0.3 /100 | #253  | Tragic 2.4%  | 
| Haitians | 0.3 /100 | #254  | Tragic 2.4%  | 
| Immigrants | Guatemala | 0.3 /100 | #255  | Tragic 2.4%  | 
Demographics Similar to Czechoslovakians by Vision Disability
In terms of vision disability, the demographic groups most similar to Czechoslovakians are Ghanaian (2.2%, a difference of 0.020%), Immigrants from El Salvador (2.2%, a difference of 0.050%), Immigrants from Grenada (2.2%, a difference of 0.13%), Immigrants from Thailand (2.2%, a difference of 0.14%), and Immigrants (2.2%, a difference of 0.19%).
| Demographics | Rating | Rank | Vision Disability | 
| Canadians | 25.8 /100 | #191  | Fair 2.2%  | 
| Europeans | 25.7 /100 | #192  | Fair 2.2%  | 
| British | 25.1 /100 | #193  | Fair 2.2%  | 
| Immigrants | Barbados | 24.0 /100 | #194  | Fair 2.2%  | 
| Immigrants | Immigrants | 23.7 /100 | #195  | Fair 2.2%  | 
| Immigrants | Grenada | 23.1 /100 | #196  | Fair 2.2%  | 
| Ghanaians | 21.8 /100 | #197  | Fair 2.2%  | 
| Czechoslovakians | 21.6 /100 | #198  | Fair 2.2%  | 
| Immigrants | El Salvador | 21.0 /100 | #199  | Fair 2.2%  | 
| Immigrants | Thailand | 20.1 /100 | #200  | Fair 2.2%  | 
| Slovaks | 18.8 /100 | #201  | Poor 2.2%  | 
| Immigrants | Zaire | 18.0 /100 | #202  | Poor 2.2%  | 
| Dutch | 17.1 /100 | #203  | Poor 2.2%  | 
| Immigrants | Guyana | 15.9 /100 | #204  | Poor 2.2%  | 
| Samoans | 15.7 /100 | #205  | Poor 2.2%  |