Pennsylvania German vs Immigrants from Sierra Leone Vision Disability

The statistical analysis conducted on geographies consisting of 233,923,332 people shows a moderate positive correlation between the proportion of Pennsylvania Germans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.479 and weighted average of 2.2%. Similarly, the statistical analysis conducted on geographies consisting of 101,645,799 people shows a slight positive correlation between the proportion of Immigrants from Sierra Leone and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.060 and weighted average of 2.1%, a difference of 5.4%.

Vision Disability Correlation Summary

Measurement	Pennsylvania German	Immigrants from Sierra Leone
Minimum	0.20%	0.70%
Maximum	15.9%	5.8%
Range	15.7%	5.1%
Mean	2.6%	2.1%
Median	1.9%	2.0%
Interquartile 25% (IQ1)	1.4%	1.6%
Interquartile 75% (IQ3)	2.6%	2.3%
Interquartile Range (IQR)	1.2%	0.65%
Standard Deviation (Sample)	2.8%	0.88%
Standard Deviation (Population)	2.7%	0.87%

Similar Demographics by Vision Disability

Demographics Similar to Pennsylvania Germans by Vision Disability

In terms of vision disability, the demographic groups most similar to Pennsylvania Germans are Immigrants from Nigeria (2.2%, a difference of 0.13%), Samoan (2.2%, a difference of 0.14%), German (2.2%, a difference of 0.14%), Immigrants from Guyana (2.2%, a difference of 0.17%), and Immigrants from Brazil (2.2%, a difference of 0.18%).

Demographics	Rating \| Rank	Vision Disability
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%
Immigrants \| Nigeria	13.5 /100 \| #207	Poor 2.2%
Germans	13.4 /100 \| #208	Poor 2.2%
Immigrants \| Brazil	13.1 /100 \| #209	Poor 2.2%
Immigrants \| Uruguay	11.5 /100 \| #210	Poor 2.2%
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%

Demographics Similar to Immigrants from Sierra Leone by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Sierra Leone are South American (2.1%, a difference of 0.0%), Ukrainian (2.1%, a difference of 0.11%), Sierra Leonean (2.1%, a difference of 0.15%), Immigrants from Bosnia and Herzegovina (2.1%, a difference of 0.15%), and Immigrants from Netherlands (2.1%, a difference of 0.16%).

Demographics	Rating \| Rank	Vision Disability
Czechs	86.3 /100 \| #136	Excellent 2.1%
Immigrants \| South Eastern Asia	86.3 /100 \| #137	Excellent 2.1%
Arabs	86.3 /100 \| #138	Excellent 2.1%
Immigrants \| Morocco	85.2 /100 \| #139	Excellent 2.1%
Immigrants \| Netherlands	84.2 /100 \| #140	Excellent 2.1%
Sierra Leoneans	84.1 /100 \| #141	Excellent 2.1%
South Americans	82.8 /100 \| #142	Excellent 2.1%
Immigrants \| Sierra Leone	82.8 /100 \| #143	Excellent 2.1%
Ukrainians	81.9 /100 \| #144	Excellent 2.1%
Immigrants \| Bosnia and Herzegovina	81.5 /100 \| #145	Excellent 2.1%
Italians	79.7 /100 \| #146	Good 2.1%
Immigrants \| Sudan	78.4 /100 \| #147	Good 2.1%
Finns	78.3 /100 \| #148	Good 2.1%
Colombians	76.2 /100 \| #149	Good 2.1%
Belgians	75.9 /100 \| #150	Good 2.1%