Pennsylvania German vs Immigrants from Western Africa Cognitive Disability

The statistical analysis conducted on geographies consisting of 234,106,123 people shows a substantial positive correlation between the proportion of Pennsylvania Germans and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of 0.585 and weighted average of 16.6%. Similarly, the statistical analysis conducted on geographies consisting of 357,804,343 people shows no correlation between the proportion of Immigrants from Western Africa and percentage of population with cognitive disability in the United States with a correlation coefficient (R) of -0.032 and weighted average of 18.4%, a difference of 10.8%.

Cognitive Disability Correlation Summary

Measurement	Pennsylvania German	Immigrants from Western Africa
Minimum	3.1%	5.5%
Maximum	87.0%	30.2%
Range	83.8%	24.6%
Mean	21.1%	18.3%
Median	15.5%	17.9%
Interquartile 25% (IQ1)	13.2%	17.2%
Interquartile 75% (IQ3)	19.5%	19.5%
Interquartile Range (IQR)	6.3%	2.3%
Standard Deviation (Sample)	16.7%	3.6%
Standard Deviation (Population)	16.6%	3.6%

Similar Demographics by Cognitive Disability

Demographics Similar to Pennsylvania Germans by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Pennsylvania Germans are Immigrants from Peru (16.6%, a difference of 0.0%), Romanian (16.6%, a difference of 0.010%), Immigrants from England (16.6%, a difference of 0.070%), Austrian (16.6%, a difference of 0.080%), and Bhutanese (16.6%, a difference of 0.080%).

Demographics	Rating \| Rank	Cognitive Disability
Immigrants \| Korea	99.8 /100 \| #51	Exceptional 16.5%
Soviet Union	99.8 /100 \| #52	Exceptional 16.5%
Swedes	99.8 /100 \| #53	Exceptional 16.5%
Immigrants \| Iran	99.8 /100 \| #54	Exceptional 16.5%
Immigrants \| Venezuela	99.7 /100 \| #55	Exceptional 16.5%
Austrians	99.7 /100 \| #56	Exceptional 16.6%
Bhutanese	99.7 /100 \| #57	Exceptional 16.6%
Pennsylvania Germans	99.7 /100 \| #58	Exceptional 16.6%
Immigrants \| Peru	99.7 /100 \| #59	Exceptional 16.6%
Romanians	99.7 /100 \| #60	Exceptional 16.6%
Immigrants \| England	99.6 /100 \| #61	Exceptional 16.6%
Czechoslovakians	99.6 /100 \| #62	Exceptional 16.6%
Argentineans	99.6 /100 \| #63	Exceptional 16.6%
Venezuelans	99.6 /100 \| #64	Exceptional 16.6%
Colombians	99.6 /100 \| #65	Exceptional 16.6%

Demographics Similar to Immigrants from Western Africa by Cognitive Disability

In terms of cognitive disability, the demographic groups most similar to Immigrants from Western Africa are Immigrants from Eastern Africa (18.4%, a difference of 0.040%), Seminole (18.3%, a difference of 0.090%), Ugandan (18.3%, a difference of 0.090%), Colville (18.3%, a difference of 0.10%), and Immigrants from Eritrea (18.3%, a difference of 0.21%).

Demographics	Rating \| Rank	Cognitive Disability
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%
Ugandans	0.0 /100 \| #307	Tragic 18.3%
Immigrants \| Western Africa	0.0 /100 \| #308	Tragic 18.4%
Immigrants \| Eastern Africa	0.0 /100 \| #309	Tragic 18.4%
Choctaw	0.0 /100 \| #310	Tragic 18.4%
Hmong	0.0 /100 \| #311	Tragic 18.4%
Chickasaw	0.0 /100 \| #312	Tragic 18.5%
Yaqui	0.0 /100 \| #313	Tragic 18.5%
Sub-Saharan Africans	0.0 /100 \| #314	Tragic 18.5%
Immigrants \| Dominica	0.0 /100 \| #315	Tragic 18.6%