Scotch-Irish vs Immigrants from Spain Average Family Size

The statistical analysis conducted on geographies consisting of 548,372,805 people shows a slight negative correlation between the proportion of Scotch-Irish and average family size in the United States with a correlation coefficient (R) of -0.056 and weighted average of 3.11. Similarly, the statistical analysis conducted on geographies consisting of 239,606,495 people shows a moderate negative correlation between the proportion of Immigrants from Spain and average family size in the United States with a correlation coefficient (R) of -0.424 and weighted average of 3.17, a difference of 2.1%.

Average Family Size Correlation Summary

Measurement	Scotch-Irish	Immigrants from Spain
Minimum	1.34	1.74
Maximum	6.29	3.70
Range	4.95	1.96
Mean	3.03	2.99
Median	3.00	3.05
Interquartile 25% (IQ1)	2.73	2.85
Interquartile 75% (IQ3)	3.38	3.19
Interquartile Range (IQR)	0.65	0.33
Standard Deviation (Sample)	0.77	0.36
Standard Deviation (Population)	0.77	0.36

Similar Demographics by Average Family Size

Demographics Similar to Scotch-Irish by Average Family Size

In terms of average family size, the demographic groups most similar to Scotch-Irish are Latvian (3.11, a difference of 0.0%), Scottish (3.11, a difference of 0.0%), Estonian (3.10, a difference of 0.050%), Lithuanian (3.10, a difference of 0.050%), and Belgian (3.11, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Celtics	0.0 /100 \| #324	Tragic 3.11
English	0.0 /100 \| #325	Tragic 3.11
Ottawa	0.0 /100 \| #326	Tragic 3.11
Dutch	0.0 /100 \| #327	Tragic 3.11
Czechs	0.0 /100 \| #328	Tragic 3.11
Belgians	0.0 /100 \| #329	Tragic 3.11
Latvians	0.0 /100 \| #330	Tragic 3.11
Scotch-Irish	0.0 /100 \| #331	Tragic 3.11
Scottish	0.0 /100 \| #332	Tragic 3.11
Estonians	0.0 /100 \| #333	Tragic 3.10
Lithuanians	0.0 /100 \| #334	Tragic 3.10
Luxembourgers	0.0 /100 \| #335	Tragic 3.10
Irish	0.0 /100 \| #336	Tragic 3.10
Swedes	0.0 /100 \| #337	Tragic 3.10
French	0.0 /100 \| #338	Tragic 3.10

Demographics Similar to Immigrants from Spain by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Spain are Puget Sound Salish (3.17, a difference of 0.010%), Immigrants from Saudi Arabia (3.17, a difference of 0.030%), South African (3.17, a difference of 0.030%), Immigrants from Hungary (3.17, a difference of 0.040%), and Cape Verdean (3.17, a difference of 0.050%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Southern Europe	2.9 /100 \| #244	Tragic 3.18
Immigrants \| Brazil	2.7 /100 \| #245	Tragic 3.18
Danes	2.5 /100 \| #246	Tragic 3.17
Cajuns	2.4 /100 \| #247	Tragic 3.17
Immigrants \| Belarus	2.3 /100 \| #248	Tragic 3.17
Immigrants \| Eastern Europe	2.1 /100 \| #249	Tragic 3.17
Puget Sound Salish	1.9 /100 \| #250	Tragic 3.17
Immigrants \| Spain	1.8 /100 \| #251	Tragic 3.17
Immigrants \| Saudi Arabia	1.7 /100 \| #252	Tragic 3.17
South Africans	1.7 /100 \| #253	Tragic 3.17
Immigrants \| Hungary	1.7 /100 \| #254	Tragic 3.17
Cape Verdeans	1.6 /100 \| #255	Tragic 3.17
Immigrants \| Kazakhstan	1.5 /100 \| #256	Tragic 3.17
Albanians	1.5 /100 \| #257	Tragic 3.17
Turks	1.3 /100 \| #258	Tragic 3.16