Czechoslovakian vs Immigrants from South Africa Vision Disability

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%. Similarly, the statistical analysis conducted on geographies consisting of 233,222,881 people shows a weak positive correlation between the proportion of Immigrants from South Africa and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.234 and weighted average of 2.1%, a difference of 7.1%.

Vision Disability Correlation Summary

Measurement	Czechoslovakian	Immigrants from South Africa
Minimum	0.51%	0.40%
Maximum	39.0%	8.6%
Range	38.5%	8.2%
Mean	4.3%	2.9%
Median	2.5%	2.2%
Interquartile 25% (IQ1)	2.2%	1.8%
Interquartile 75% (IQ3)	3.6%	3.7%
Interquartile Range (IQR)	1.4%	1.9%
Standard Deviation (Sample)	6.2%	2.0%
Standard Deviation (Population)	6.2%	1.9%

Similar Demographics by Vision Disability

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%

Demographics Similar to Immigrants from South Africa by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from South Africa are Immigrants from Afghanistan (2.1%, a difference of 0.050%), Estonian (2.1%, a difference of 0.070%), Romanian (2.1%, a difference of 0.11%), Greek (2.1%, a difference of 0.11%), and Australian (2.1%, a difference of 0.17%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Somalia	96.2 /100 \| #91	Exceptional 2.1%
Immigrants \| Syria	96.2 /100 \| #92	Exceptional 2.1%
Immigrants \| Europe	96.1 /100 \| #93	Exceptional 2.1%
Immigrants \| Croatia	96.0 /100 \| #94	Exceptional 2.1%
Australians	95.9 /100 \| #95	Exceptional 2.1%
Romanians	95.7 /100 \| #96	Exceptional 2.1%
Immigrants \| Afghanistan	95.6 /100 \| #97	Exceptional 2.1%
Immigrants \| South Africa	95.4 /100 \| #98	Exceptional 2.1%
Estonians	95.3 /100 \| #99	Exceptional 2.1%
Greeks	95.1 /100 \| #100	Exceptional 2.1%
Albanians	94.9 /100 \| #101	Exceptional 2.1%
Sri Lankans	94.8 /100 \| #102	Exceptional 2.1%
Immigrants \| Austria	94.4 /100 \| #103	Exceptional 2.1%
Immigrants \| Italy	94.4 /100 \| #104	Exceptional 2.1%
Carpatho Rusyns	94.3 /100 \| #105	Exceptional 2.1%