Immigrants from Portugal vs Iroquois Vision Disability

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%. Similarly, the statistical analysis conducted on geographies consisting of 207,187,482 people shows a strong positive correlation between the proportion of Iroquois and percentage of population with vision disability in the United States with a correlation coefficient (R) of 0.771 and weighted average of 2.6%, a difference of 12.8%.

Vision Disability Correlation Summary

Measurement	Immigrants from Portugal	Iroquois
Minimum	0.66%	1.5%
Maximum	8.3%	100.0%
Range	7.6%	98.5%
Mean	2.4%	7.5%
Median	2.1%	3.1%
Interquartile 25% (IQ1)	1.8%	2.4%
Interquartile 75% (IQ3)	2.4%	5.3%
Interquartile Range (IQR)	0.59%	2.9%
Standard Deviation (Sample)	1.2%	17.1%
Standard Deviation (Population)	1.2%	16.9%

Similar Demographics by Vision Disability

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%

Demographics Similar to Iroquois by Vision Disability

In terms of vision disability, the demographic groups most similar to Iroquois are Immigrants from Dominican Republic (2.6%, a difference of 0.020%), Arapaho (2.6%, a difference of 0.040%), Immigrants from Yemen (2.6%, a difference of 0.33%), Hispanic or Latino (2.6%, a difference of 0.61%), and Blackfeet (2.6%, a difference of 0.65%).

Demographics	Rating \| Rank	Vision Disability
Cree	0.0 /100 \| #299	Tragic 2.5%
Africans	0.0 /100 \| #300	Tragic 2.5%
Menominee	0.0 /100 \| #301	Tragic 2.5%
Spanish American Indians	0.0 /100 \| #302	Tragic 2.6%
Immigrants \| Cabo Verde	0.0 /100 \| #303	Tragic 2.6%
Aleuts	0.0 /100 \| #304	Tragic 2.6%
Hispanics or Latinos	0.0 /100 \| #305	Tragic 2.6%
Iroquois	0.0 /100 \| #306	Tragic 2.6%
Immigrants \| Dominican Republic	0.0 /100 \| #307	Tragic 2.6%
Arapaho	0.0 /100 \| #308	Tragic 2.6%
Immigrants \| Yemen	0.0 /100 \| #309	Tragic 2.6%
Blackfeet	0.0 /100 \| #310	Tragic 2.6%
Dominicans	0.0 /100 \| #311	Tragic 2.6%
Americans	0.0 /100 \| #312	Tragic 2.6%
Potawatomi	0.0 /100 \| #313	Tragic 2.6%