Scotch-Irish vs Immigrants from Portugal Single Father Households

The statistical analysis conducted on geographies consisting of 535,957,408 people shows a weak positive correlation between the proportion of Scotch-Irish and percentage of single father households in the United States with a correlation coefficient (R) of 0.232 and weighted average of 2.3%. Similarly, the statistical analysis conducted on geographies consisting of 173,713,096 people shows a weak positive correlation between the proportion of Immigrants from Portugal and percentage of single father households in the United States with a correlation coefficient (R) of 0.245 and weighted average of 2.6%, a difference of 14.6%.

Single Father Households Correlation Summary

Measurement	Scotch-Irish	Immigrants from Portugal
Minimum	0.96%	0.66%
Maximum	18.9%	6.8%
Range	17.9%	6.2%
Mean	3.7%	2.7%
Median	2.9%	2.5%
Interquartile 25% (IQ1)	2.2%	2.0%
Interquartile 75% (IQ3)	4.1%	3.5%
Interquartile Range (IQR)	1.9%	1.5%
Standard Deviation (Sample)	3.0%	1.3%
Standard Deviation (Population)	3.0%	1.3%

Similar Demographics by Single Father Households

Demographics Similar to Scotch-Irish by Single Father Households

In terms of single father households, the demographic groups most similar to Scotch-Irish are English (2.3%, a difference of 0.070%), Pakistani (2.3%, a difference of 0.10%), Irish (2.3%, a difference of 0.24%), Scottish (2.3%, a difference of 0.31%), and Swiss (2.3%, a difference of 0.35%).

Demographics	Rating \| Rank	Single Father Households
Immigrants \| Senegal	79.4 /100 \| #158	Good 2.3%
Immigrants \| West Indies	77.9 /100 \| #159	Good 2.3%
Immigrants \| Bolivia	76.3 /100 \| #160	Good 2.3%
Swiss	73.2 /100 \| #161	Good 2.3%
Scottish	72.8 /100 \| #162	Good 2.3%
Irish	72.1 /100 \| #163	Good 2.3%
Pakistanis	70.6 /100 \| #164	Good 2.3%
Scotch-Irish	69.4 /100 \| #165	Good 2.3%
English	68.6 /100 \| #166	Good 2.3%
South Americans	64.3 /100 \| #167	Good 2.3%
Icelanders	63.1 /100 \| #168	Good 2.3%
Czechs	62.5 /100 \| #169	Good 2.3%
Ugandans	62.2 /100 \| #170	Good 2.3%
Swedes	61.6 /100 \| #171	Good 2.3%
Czechoslovakians	58.9 /100 \| #172	Average 2.3%

Demographics Similar to Immigrants from Portugal by Single Father Households

In terms of single father households, the demographic groups most similar to Immigrants from Portugal are Nicaraguan (2.6%, a difference of 0.010%), Dutch West Indian (2.6%, a difference of 0.060%), Samoan (2.6%, a difference of 0.55%), Cherokee (2.6%, a difference of 0.59%), and Shoshone (2.6%, a difference of 0.64%).

Demographics	Rating \| Rank	Single Father Households
Iroquois	0.2 /100 \| #273	Tragic 2.6%
Puerto Ricans	0.2 /100 \| #274	Tragic 2.6%
Immigrants \| Dominican Republic	0.2 /100 \| #275	Tragic 2.6%
Immigrants \| Haiti	0.1 /100 \| #276	Tragic 2.6%
Shoshone	0.1 /100 \| #277	Tragic 2.6%
Cherokee	0.1 /100 \| #278	Tragic 2.6%
Samoans	0.1 /100 \| #279	Tragic 2.6%
Immigrants \| Portugal	0.1 /100 \| #280	Tragic 2.6%
Nicaraguans	0.1 /100 \| #281	Tragic 2.6%
Dutch West Indians	0.1 /100 \| #282	Tragic 2.6%
Immigrants \| Nicaragua	0.1 /100 \| #283	Tragic 2.7%
Hawaiians	0.1 /100 \| #284	Tragic 2.7%
Ottawa	0.1 /100 \| #285	Tragic 2.7%
Immigrants \| Cuba	0.1 /100 \| #286	Tragic 2.7%
Central American Indians	0.0 /100 \| #287	Tragic 2.7%