Welsh vs Trinidadian and Tobagonian Vision Disability
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Welsh
 Trinidadian and Tobagonian
 Vision Disability
Vision Disability Comparison
Welsh
Trinidadians and Tobagonians
2.3%
VISION DISABILITY
2.3/ 100
METRIC RATING
229th/ 347
METRIC RANK
2.2%
VISION DISABILITY
8.2/ 100
METRIC RATING
214th/ 347
METRIC RANK
Welsh vs Trinidadian and Tobagonian Vision Disability Correlation Chart
The statistical analysis conducted on geographies consisting of 527,426,081 people shows a mild positive correlation between the proportion of Welsh and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.396 and weighted average of 2.3%. Similarly, the statistical analysis conducted on geographies consisting of 219,745,653 people shows a mild negative correlation between the proportion of Trinidadians and Tobagonians and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.346 and weighted average of 2.2%, a difference of 2.0%.
 
Vision Disability Correlation Summary
| Measurement | Welsh | Trinidadian and Tobagonian | 
| Minimum | 1.1% | 0.49% | 
| Maximum | 40.0% | 4.1% | 
| Range | 38.9% | 3.6% | 
| Mean | 5.8% | 2.1% | 
| Median | 3.0% | 2.2% | 
| Interquartile 25% (IQ1) | 2.5% | 1.5% | 
| Interquartile 75% (IQ3) | 7.3% | 2.4% | 
| Interquartile Range (IQR) | 4.8% | 0.92% | 
| Standard Deviation (Sample) | 6.6% | 0.75% | 
| Standard Deviation (Population) | 6.5% | 0.74% | 
Demographics Similar to Welsh and Trinidadians and Tobagonians by Vision Disability
In terms of vision disability, the demographic groups most similar to Welsh are Nicaraguan (2.3%, a difference of 0.070%), Hmong (2.3%, a difference of 0.080%), Immigrants from Ecuador (2.3%, a difference of 0.23%), Hawaiian (2.3%, a difference of 0.32%), and Immigrants from Germany (2.3%, a difference of 0.37%). Similarly, the demographic groups most similar to Trinidadians and Tobagonians are Immigrants from Ghana (2.2%, a difference of 0.13%), Bermudan (2.2%, a difference of 0.14%), Nigerian (2.3%, a difference of 0.21%), Indonesian (2.2%, a difference of 0.23%), and Immigrants from Trinidad and Tobago (2.3%, a difference of 0.50%).
| Demographics | Rating | Rank | Vision Disability | 
| Indonesians | 9.5 /100 | #211 | Tragic 2.2% | 
| Bermudans | 9.0 /100 | #212 | Tragic 2.2% | 
| Immigrants | Ghana | 8.9 /100 | #213 | Tragic 2.2% | 
| Trinidadians and Tobagonians | 8.2 /100 | #214 | Tragic 2.2% | 
| Nigerians | 7.2 /100 | #215 | Tragic 2.3% | 
| Immigrants | Trinidad and Tobago | 6.1 /100 | #216 | Tragic 2.3% | 
| Barbadians | 5.1 /100 | #217 | Tragic 2.3% | 
| Portuguese | 4.9 /100 | #218 | Tragic 2.3% | 
| Ecuadorians | 4.6 /100 | #219 | Tragic 2.3% | 
| Guamanians/Chamorros | 3.9 /100 | #220 | Tragic 2.3% | 
| French Canadians | 3.9 /100 | #221 | Tragic 2.3% | 
| Immigrants | Senegal | 3.8 /100 | #222 | Tragic 2.3% | 
| Basques | 3.5 /100 | #223 | Tragic 2.3% | 
| Irish | 3.4 /100 | #224 | Tragic 2.3% | 
| Immigrants | Western Africa | 3.4 /100 | #225 | Tragic 2.3% | 
| Immigrants | Germany | 3.0 /100 | #226 | Tragic 2.3% | 
| Hawaiians | 2.9 /100 | #227 | Tragic 2.3% | 
| Hmong | 2.5 /100 | #228 | Tragic 2.3% | 
| Welsh | 2.3 /100 | #229 | Tragic 2.3% | 
| Nicaraguans | 2.2 /100 | #230 | Tragic 2.3% | 
| Immigrants | Ecuador | 2.0 /100 | #231 | Tragic 2.3% |