Welsh vs Immigrants from El Salvador Vision Disability

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 357,605,888 people shows a substantial negative correlation between the proportion of Immigrants from El Salvador and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.502 and weighted average of 2.2%, a difference of 3.7%.

Vision Disability Correlation Summary

Measurement	Welsh	Immigrants from El Salvador
Minimum	1.1%	0.21%
Maximum	40.0%	4.1%
Range	38.9%	3.9%
Mean	5.8%	1.9%
Median	3.0%	2.1%
Interquartile 25% (IQ1)	2.5%	1.5%
Interquartile 75% (IQ3)	7.3%	2.3%
Interquartile Range (IQR)	4.8%	0.86%
Standard Deviation (Sample)	6.6%	0.70%
Standard Deviation (Population)	6.5%	0.69%

Similar Demographics by Vision Disability

Demographics Similar to Welsh 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%).

Demographics	Rating \| Rank	Vision Disability
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%
German Russians	1.8 /100 \| #232	Tragic 2.3%
Central Americans	1.8 /100 \| #233	Tragic 2.3%
Scottish	1.6 /100 \| #234	Tragic 2.3%
Marshallese	1.5 /100 \| #235	Tragic 2.3%
Immigrants \| Congo	1.4 /100 \| #236	Tragic 2.3%

Demographics Similar to Immigrants from El Salvador by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from El Salvador are Czechoslovakian (2.2%, a difference of 0.050%), Ghanaian (2.2%, a difference of 0.070%), Immigrants from Thailand (2.2%, a difference of 0.090%), Immigrants from Grenada (2.2%, a difference of 0.18%), and Slovak (2.2%, a difference of 0.21%).

Demographics	Rating \| Rank	Vision Disability
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%
Pennsylvania Germans	14.5 /100 \| #206	Poor 2.2%