Immigrants from Costa Rica vs Tongan Vision Disability

The statistical analysis conducted on geographies consisting of 204,228,483 people shows a poor negative correlation between the proportion of Immigrants from Costa Rica and percentage of population with vision disability in the United States with a correlation coefficient (R) of -0.159 and weighted average of 2.2%. Similarly, the statistical analysis conducted on geographies consisting of 102,891,232 people shows a slight positive correlation between the proportion of Tongans and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.092 and weighted average of 2.0%, a difference of 10.8%.

Vision Disability Correlation Summary

Measurement	Immigrants from Costa Rica	Tongan
Minimum	0.38%	0.85%
Maximum	5.6%	6.9%
Range	5.3%	6.1%
Mean	2.0%	2.3%
Median	1.9%	2.0%
Interquartile 25% (IQ1)	1.5%	1.7%
Interquartile 75% (IQ3)	2.3%	2.6%
Interquartile Range (IQR)	0.75%	0.96%
Standard Deviation (Sample)	1.0%	1.1%
Standard Deviation (Population)	1.0%	1.1%

Similar Demographics by Vision Disability

Demographics Similar to Immigrants from Costa Rica by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Costa Rica are Canadian (2.2%, a difference of 0.020%), European (2.2%, a difference of 0.030%), British (2.2%, a difference of 0.080%), Salvadoran (2.2%, a difference of 0.11%), and Immigrants from Barbados (2.2%, a difference of 0.17%).

Demographics	Rating \| Rank	Vision Disability
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%
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%

Demographics Similar to Tongans by Vision Disability

In terms of vision disability, the demographic groups most similar to Tongans are Afghan (2.0%, a difference of 0.090%), Latvian (2.0%, a difference of 0.15%), Israeli (2.0%, a difference of 0.22%), Immigrants from Serbia (2.0%, a difference of 0.31%), and Immigrants from Belarus (2.0%, a difference of 0.42%).

Demographics	Rating \| Rank	Vision Disability
Immigrants \| Indonesia	99.7 /100 \| #44	Exceptional 2.0%
Ethiopians	99.7 /100 \| #45	Exceptional 2.0%
Immigrants \| Sweden	99.7 /100 \| #46	Exceptional 2.0%
Immigrants \| Bulgaria	99.7 /100 \| #47	Exceptional 2.0%
Israelis	99.6 /100 \| #48	Exceptional 2.0%
Latvians	99.5 /100 \| #49	Exceptional 2.0%
Afghans	99.5 /100 \| #50	Exceptional 2.0%
Tongans	99.5 /100 \| #51	Exceptional 2.0%
Immigrants \| Serbia	99.4 /100 \| #52	Exceptional 2.0%
Immigrants \| Belarus	99.3 /100 \| #53	Exceptional 2.0%
Macedonians	99.3 /100 \| #54	Exceptional 2.0%
Laotians	99.3 /100 \| #55	Exceptional 2.0%
Jordanians	99.2 /100 \| #56	Exceptional 2.0%
Somalis	99.2 /100 \| #57	Exceptional 2.0%
Immigrants \| Saudi Arabia	99.2 /100 \| #58	Exceptional 2.0%