Creek vs Immigrants from Portugal Vision Disability

The statistical analysis conducted on geographies consisting of 178,415,520 people shows a slight positive correlation between the proportion of Creek and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.073 and weighted average of 3.2%. Similarly, the statistical analysis conducted on geographies consisting of 174,661,842 people shows a poor positive correlation between the proportion of Immigrants from Portugal and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.141 and weighted average of 2.3%, a difference of 38.6%.

Vision Disability Correlation Summary

Measurement	Creek	Immigrants from Portugal
Minimum	0.78%	0.66%
Maximum	11.5%	8.3%
Range	10.8%	7.6%
Mean	4.5%	2.4%
Median	3.8%	2.1%
Interquartile 25% (IQ1)	3.2%	1.8%
Interquartile 75% (IQ3)	5.4%	2.4%
Interquartile Range (IQR)	2.2%	0.59%
Standard Deviation (Sample)	2.3%	1.2%
Standard Deviation (Population)	2.3%	1.2%

Similar Demographics by Vision Disability

Demographics Similar to Creek by Vision Disability

In terms of vision disability, the demographic groups most similar to Creek are Tsimshian (3.2%, a difference of 0.13%), Chickasaw (3.2%, a difference of 0.82%), Kiowa (3.3%, a difference of 1.4%), Dutch West Indian (3.2%, a difference of 1.7%), and Alaskan Athabascan (3.1%, a difference of 1.8%).

Demographics	Rating \| Rank	Vision Disability
Cajuns	0.0 /100 \| #333	Tragic 3.1%
Cheyenne	0.0 /100 \| #334	Tragic 3.1%
Navajo	0.0 /100 \| #335	Tragic 3.1%
Alaskan Athabascans	0.0 /100 \| #336	Tragic 3.1%
Dutch West Indians	0.0 /100 \| #337	Tragic 3.2%
Chickasaw	0.0 /100 \| #338	Tragic 3.2%
Tsimshian	0.0 /100 \| #339	Tragic 3.2%
Creek	0.0 /100 \| #340	Tragic 3.2%
Kiowa	0.0 /100 \| #341	Tragic 3.3%
Choctaw	0.0 /100 \| #342	Tragic 3.3%
Pima	0.0 /100 \| #343	Tragic 3.3%
Pueblo	0.0 /100 \| #344	Tragic 3.3%
Lumbee	0.0 /100 \| #345	Tragic 3.4%
Houma	0.0 /100 \| #346	Tragic 3.4%
Puerto Ricans	0.0 /100 \| #347	Tragic 3.9%

Demographics Similar to Immigrants from Portugal by Vision Disability

In terms of vision disability, the demographic groups most similar to Immigrants from Portugal are Immigrants from Congo (2.3%, a difference of 0.050%), Marshallese (2.3%, a difference of 0.14%), Scottish (2.3%, a difference of 0.21%), Immigrants from Cambodia (2.3%, a difference of 0.27%), and English (2.3%, a difference of 0.29%).

Demographics	Rating \| Rank	Vision Disability
Nicaraguans	2.2 /100 \| #230	Tragic 2.3%
Immigrants \| Ecuador	2.0 /100 \| #231	Tragic 2.3%
German Russians	1.8 /100 \| #232	Tragic 2.3%
Central Americans	1.8 /100 \| #233	Tragic 2.3%
Scottish	1.6 /100 \| #234	Tragic 2.3%
Marshallese	1.5 /100 \| #235	Tragic 2.3%
Immigrants \| Congo	1.4 /100 \| #236	Tragic 2.3%
Immigrants \| Portugal	1.4 /100 \| #237	Tragic 2.3%
Immigrants \| Cambodia	1.1 /100 \| #238	Tragic 2.3%
English	1.1 /100 \| #239	Tragic 2.3%
Panamanians	0.9 /100 \| #240	Tragic 2.3%
Malaysians	0.9 /100 \| #241	Tragic 2.3%
Immigrants \| Panama	0.8 /100 \| #242	Tragic 2.3%
Immigrants \| Nicaragua	0.6 /100 \| #243	Tragic 2.3%
Immigrants \| West Indies	0.6 /100 \| #244	Tragic 2.3%