Tongan vs Immigrants from Costa Rica Vision Disability

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%. Similarly, 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%, a difference of 10.8%.

Vision Disability Correlation Summary

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

Similar Demographics by Vision Disability

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%

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%