Ghanaian vs Immigrants from Portugal Vision Disability

The statistical analysis conducted on geographies consisting of 190,620,307 people shows a mild positive correlation between the proportion of Ghanaians and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.324 and weighted average of 2.2%. Similarly, the statistical analysis conducted on geographies consisting of 174,661,842 people shows a poor positive correlation between the proportion of Immigrants from Portugal and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.141 and weighted average of 2.3%, a difference of 4.6%.

Vision Disability Correlation Summary

Measurement	Ghanaian	Immigrants from Portugal
Minimum	0.27%	0.66%
Maximum	8.2%	8.3%
Range	7.9%	7.6%
Mean	2.3%	2.4%
Median	2.1%	2.1%
Interquartile 25% (IQ1)	1.7%	1.8%
Interquartile 75% (IQ3)	2.7%	2.4%
Interquartile Range (IQR)	1.0%	0.59%
Standard Deviation (Sample)	1.3%	1.2%
Standard Deviation (Population)	1.3%	1.2%

Similar Demographics by Vision Disability

Demographics Similar to Ghanaians by Vision Disability

In terms of vision disability, the demographic groups most similar to Ghanaians are Czechoslovakian (2.2%, a difference of 0.020%), Immigrants from El Salvador (2.2%, a difference of 0.070%), Immigrants from Grenada (2.2%, a difference of 0.11%), Immigrants from Thailand (2.2%, a difference of 0.16%), and Immigrants (2.2%, a difference of 0.17%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Costa Rica	26.1 /100 \| #190	Fair 2.2%
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%

Demographics Similar to Immigrants from Portugal by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Portugal are Immigrants from Congo (2.3%, a difference of 0.050%), Marshallese (2.3%, a difference of 0.14%), Scottish (2.3%, a difference of 0.21%), Immigrants from Cambodia (2.3%, a difference of 0.27%), and English (2.3%, a difference of 0.29%).

Demographics	Rating \| Rank	Vision Disability
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%
Immigrants \| Portugal	1.4 /100 \| #237	Tragic 2.3%
Immigrants \| Cambodia	1.1 /100 \| #238	Tragic 2.3%
English	1.1 /100 \| #239	Tragic 2.3%
Panamanians	0.9 /100 \| #240	Tragic 2.3%
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%