Costa Rican vs Immigrants from Sierra Leone Vision Disability

The statistical analysis conducted on geographies consisting of 253,497,093 people shows no correlation between the proportion of Costa Ricans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.040 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 3.2%.

Vision Disability Correlation Summary

Measurement	Costa Rican	Immigrants from Sierra Leone
Minimum	0.38%	0.70%
Maximum	8.8%	5.8%
Range	8.4%	5.1%
Mean	2.1%	2.1%
Median	2.0%	2.0%
Interquartile 25% (IQ1)	1.4%	1.6%
Interquartile 75% (IQ3)	2.3%	2.3%
Interquartile Range (IQR)	0.84%	0.65%
Standard Deviation (Sample)	1.5%	0.88%
Standard Deviation (Population)	1.5%	0.87%

Similar Demographics by Vision Disability

Demographics Similar to Costa Ricans by Vision Disability

In terms of vision disability, the demographic groups most similar to Costa Ricans are Immigrants from Western Europe (2.2%, a difference of 0.020%), Uruguayan (2.2%, a difference of 0.13%), Immigrants from Burma/Myanmar (2.2%, a difference of 0.19%), Immigrants from North America (2.2%, a difference of 0.24%), and Immigrants from Oceania (2.2%, a difference of 0.28%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Fiji	47.6 /100 \| #175	Average 2.2%
Yugoslavians	46.5 /100 \| #176	Average 2.2%
Slavs	46.0 /100 \| #177	Average 2.2%
Immigrants \| Oceania	45.1 /100 \| #178	Average 2.2%
Immigrants \| North America	44.5 /100 \| #179	Average 2.2%
Uruguayans	42.7 /100 \| #180	Average 2.2%
Immigrants \| Western Europe	41.1 /100 \| #181	Average 2.2%
Costa Ricans	40.7 /100 \| #182	Average 2.2%
Immigrants \| Burma/Myanmar	37.9 /100 \| #183	Fair 2.2%
Moroccans	35.4 /100 \| #184	Fair 2.2%
Immigrants \| Middle Africa	33.5 /100 \| #185	Fair 2.2%
Native Hawaiians	33.3 /100 \| #186	Fair 2.2%
Immigrants \| St. Vincent and the Grenadines	30.3 /100 \| #187	Fair 2.2%
Guyanese	28.9 /100 \| #188	Fair 2.2%
Salvadorans	27.4 /100 \| #189	Fair 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%