Immigrants from Portugal vs Scotch-Irish Doctorate Degree

The statistical analysis conducted on geographies consisting of 173,995,851 people shows a mild negative correlation between the proportion of Immigrants from Portugal and percentage of population with at least doctorate degree education in the United States with a correlation coefficient (R) of -0.399 and weighted average of 1.5%. Similarly, the statistical analysis conducted on geographies consisting of 527,994,945 people shows a strong positive correlation between the proportion of Scotch-Irish and percentage of population with at least doctorate degree education in the United States with a correlation coefficient (R) of 0.755 and weighted average of 1.9%, a difference of 24.1%.

Doctorate Degree Correlation Summary

Measurement	Immigrants from Portugal	Scotch-Irish
Minimum	0.14%	0.30%
Maximum	3.6%	41.7%
Range	3.5%	41.4%
Mean	1.2%	3.6%
Median	1.1%	1.9%
Interquartile 25% (IQ1)	0.64%	1.7%
Interquartile 75% (IQ3)	1.8%	3.1%
Interquartile Range (IQR)	1.2%	1.4%
Standard Deviation (Sample)	0.75%	5.9%
Standard Deviation (Population)	0.75%	5.9%

Similar Demographics by Doctorate Degree

Demographics Similar to Immigrants from Portugal by Doctorate Degree

In terms of doctorate degree, the demographic groups most similar to Immigrants from Portugal are Chickasaw (1.5%, a difference of 0.15%), Immigrants from Bahamas (1.5%, a difference of 0.32%), Japanese (1.5%, a difference of 0.46%), Blackfeet (1.5%, a difference of 0.51%), and Liberian (1.5%, a difference of 0.56%).

Demographics	Rating \| Rank	Doctorate Degree
Immigrants \| Cambodia	1.0 /100 \| #254	Tragic 1.5%
Trinidadians and Tobagonians	1.0 /100 \| #255	Tragic 1.5%
Central American Indians	1.0 /100 \| #256	Tragic 1.5%
Chippewa	0.9 /100 \| #257	Tragic 1.5%
Immigrants \| West Indies	0.9 /100 \| #258	Tragic 1.5%
Liberians	0.9 /100 \| #259	Tragic 1.5%
Japanese	0.9 /100 \| #260	Tragic 1.5%
Immigrants \| Portugal	0.8 /100 \| #261	Tragic 1.5%
Chickasaw	0.7 /100 \| #262	Tragic 1.5%
Immigrants \| Bahamas	0.7 /100 \| #263	Tragic 1.5%
Blackfeet	0.7 /100 \| #264	Tragic 1.5%
Nicaraguans	0.6 /100 \| #265	Tragic 1.5%
Immigrants \| Liberia	0.5 /100 \| #266	Tragic 1.5%
Kiowa	0.5 /100 \| #267	Tragic 1.5%
U.S. Virgin Islanders	0.5 /100 \| #268	Tragic 1.5%

Demographics Similar to Scotch-Irish by Doctorate Degree

In terms of doctorate degree, the demographic groups most similar to Scotch-Irish are Spaniard (1.9%, a difference of 0.020%), Macedonian (1.9%, a difference of 0.41%), Celtic (1.9%, a difference of 0.49%), Sri Lankan (1.9%, a difference of 0.51%), and Czech (1.9%, a difference of 0.58%).

Demographics	Rating \| Rank	Doctorate Degree
Hungarians	71.7 /100 \| #158	Good 1.9%
Slovenes	70.2 /100 \| #159	Good 1.9%
Welsh	69.7 /100 \| #160	Good 1.9%
Immigrants \| Middle Africa	68.8 /100 \| #161	Good 1.9%
Irish	67.5 /100 \| #162	Good 1.9%
Czechs	67.3 /100 \| #163	Good 1.9%
Celtics	66.7 /100 \| #164	Good 1.9%
Scotch-Irish	63.6 /100 \| #165	Good 1.9%
Spaniards	63.5 /100 \| #166	Good 1.9%
Macedonians	60.9 /100 \| #167	Good 1.9%
Sri Lankans	60.3 /100 \| #168	Good 1.9%
Vietnamese	54.8 /100 \| #169	Average 1.9%
Costa Ricans	53.3 /100 \| #170	Average 1.8%
Bermudans	52.1 /100 \| #171	Average 1.8%
Belgians	50.3 /100 \| #172	Average 1.8%