Immigrants from Portugal vs Ghanaian Cognitive Disability

The statistical analysis conducted on geographies consisting of 174,785,813 people shows a weak positive correlation between the proportion of Immigrants from Portugal and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.283 and weighted average of 17.2%. Similarly, the statistical analysis conducted on geographies consisting of 190,691,747 people shows a poor negative correlation between the proportion of Ghanaians and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.190 and weighted average of 18.3%, a difference of 6.1%.

Cognitive Disability Correlation Summary

Measurement	Immigrants from Portugal	Ghanaian
Minimum	3.0%	6.5%
Maximum	31.5%	32.2%
Range	28.5%	25.7%
Mean	17.0%	16.7%
Median	16.4%	17.1%
Interquartile 25% (IQ1)	15.0%	15.0%
Interquartile 75% (IQ3)	19.2%	18.8%
Interquartile Range (IQR)	4.3%	3.8%
Standard Deviation (Sample)	4.0%	4.3%
Standard Deviation (Population)	4.0%	4.3%

Similar Demographics by Cognitive Disability

Demographics Similar to Immigrants from Portugal by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Portugal are Immigrants (17.2%, a difference of 0.020%), Immigrants from Syria (17.2%, a difference of 0.050%), Ecuadorian (17.2%, a difference of 0.070%), Tlingit-Haida (17.2%, a difference of 0.070%), and Immigrants from Ecuador (17.2%, a difference of 0.080%).

Demographics	Rating \| Rank	Cognitive Disability
Yugoslavians	71.6 /100 \| #162	Good 17.2%
Immigrants \| Switzerland	71.5 /100 \| #163	Good 17.2%
Armenians	70.1 /100 \| #164	Good 17.2%
Immigrants \| Albania	64.9 /100 \| #165	Good 17.2%
Immigrants \| Ecuador	64.4 /100 \| #166	Good 17.2%
Immigrants \| Syria	63.5 /100 \| #167	Good 17.2%
Immigrants \| Immigrants	62.5 /100 \| #168	Good 17.2%
Immigrants \| Portugal	61.8 /100 \| #169	Good 17.2%
Ecuadorians	59.6 /100 \| #170	Average 17.2%
Tlingit-Haida	59.4 /100 \| #171	Average 17.2%
Immigrants \| Turkey	56.7 /100 \| #172	Average 17.2%
Immigrants \| Northern Africa	50.2 /100 \| #173	Average 17.3%
Laotians	50.0 /100 \| #174	Average 17.3%
Tsimshian	49.8 /100 \| #175	Average 17.3%
Shoshone	49.2 /100 \| #176	Average 17.3%

Demographics Similar to Ghanaians by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Ghanaians are Creek (18.3%, a difference of 0.020%), Japanese (18.3%, a difference of 0.030%), Blackfeet (18.3%, a difference of 0.040%), Immigrants from Ghana (18.3%, a difference of 0.17%), and Immigrants from Burma/Myanmar (18.2%, a difference of 0.18%).

Demographics	Rating \| Rank	Cognitive Disability
Iroquois	0.1 /100 \| #292	Tragic 18.2%
Central American Indians	0.1 /100 \| #293	Tragic 18.2%
British West Indians	0.1 /100 \| #294	Tragic 18.2%
German Russians	0.0 /100 \| #295	Tragic 18.2%
Immigrants \| Burma/Myanmar	0.0 /100 \| #296	Tragic 18.2%
Blackfeet	0.0 /100 \| #297	Tragic 18.3%
Japanese	0.0 /100 \| #298	Tragic 18.3%
Ghanaians	0.0 /100 \| #299	Tragic 18.3%
Creek	0.0 /100 \| #300	Tragic 18.3%
Immigrants \| Ghana	0.0 /100 \| #301	Tragic 18.3%
Barbadians	0.0 /100 \| #302	Tragic 18.3%
Immigrants \| Kenya	0.0 /100 \| #303	Tragic 18.3%
Immigrants \| Eritrea	0.0 /100 \| #304	Tragic 18.3%
Colville	0.0 /100 \| #305	Tragic 18.3%
Seminole	0.0 /100 \| #306	Tragic 18.3%