Blackfeet vs Immigrants from Ireland Average Family Size

The statistical analysis conducted on geographies consisting of 309,476,508 people shows a mild positive correlation between the proportion of Blackfeet and average family size in the United States with a correlation coefficient (R) of 0.306 and weighted average of 3.24. Similarly, the statistical analysis conducted on geographies consisting of 240,751,818 people shows a moderate negative correlation between the proportion of Immigrants from Ireland and average family size in the United States with a correlation coefficient (R) of -0.436 and weighted average of 3.13, a difference of 3.6%.

Average Family Size Correlation Summary

Measurement	Blackfeet	Immigrants from Ireland
Minimum	1.39	2.06
Maximum	6.13	3.85
Range	4.74	1.79
Mean	3.32	2.99
Median	3.19	3.05
Interquartile 25% (IQ1)	2.93	2.86
Interquartile 75% (IQ3)	3.60	3.19
Interquartile Range (IQR)	0.67	0.34
Standard Deviation (Sample)	0.80	0.33
Standard Deviation (Population)	0.79	0.33

Similar Demographics by Average Family Size

Demographics Similar to Blackfeet by Average Family Size

In terms of average family size, the demographic groups most similar to Blackfeet are Immigrants from Jordan (3.24, a difference of 0.020%), Assyrian/Chaldean/Syriac (3.24, a difference of 0.030%), Indian (Asian) (3.24, a difference of 0.030%), Jordanian (3.24, a difference of 0.040%), and Spanish American (3.24, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Venezuelans	81.4 /100 \| #141	Excellent 3.25
Liberians	81.2 /100 \| #142	Excellent 3.25
Bhutanese	81.0 /100 \| #143	Excellent 3.25
Tsimshian	80.2 /100 \| #144	Excellent 3.25
Armenians	78.2 /100 \| #145	Good 3.25
Immigrants \| Africa	77.9 /100 \| #146	Good 3.25
Immigrants \| Jordan	75.7 /100 \| #147	Good 3.24
Blackfeet	75.0 /100 \| #148	Good 3.24
Assyrians/Chaldeans/Syriacs	73.8 /100 \| #149	Good 3.24
Indians (Asian)	73.6 /100 \| #150	Good 3.24
Jordanians	73.5 /100 \| #151	Good 3.24
Spanish Americans	72.5 /100 \| #152	Good 3.24
Immigrants \| Eritrea	71.4 /100 \| #153	Good 3.24
Immigrants \| Egypt	70.0 /100 \| #154	Good 3.24
Seminole	68.2 /100 \| #155	Good 3.24

Demographics Similar to Immigrants from Ireland by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Ireland are Immigrants from Serbia (3.13, a difference of 0.010%), Slavic (3.13, a difference of 0.060%), Northern European (3.13, a difference of 0.060%), Australian (3.13, a difference of 0.070%), and Immigrants from Switzerland (3.13, a difference of 0.090%).

Demographics	Rating \| Rank	Average Family Size
Canadians	0.2 /100 \| #299	Tragic 3.14
Immigrants \| Sweden	0.2 /100 \| #300	Tragic 3.14
Macedonians	0.2 /100 \| #301	Tragic 3.13
Immigrants \| Latvia	0.2 /100 \| #302	Tragic 3.13
British	0.2 /100 \| #303	Tragic 3.13
Immigrants \| Switzerland	0.2 /100 \| #304	Tragic 3.13
Australians	0.1 /100 \| #305	Tragic 3.13
Immigrants \| Ireland	0.1 /100 \| #306	Tragic 3.13
Immigrants \| Serbia	0.1 /100 \| #307	Tragic 3.13
Slavs	0.1 /100 \| #308	Tragic 3.13
Northern Europeans	0.1 /100 \| #309	Tragic 3.13
Czechoslovakians	0.1 /100 \| #310	Tragic 3.13
Immigrants \| Northern Europe	0.1 /100 \| #311	Tragic 3.13
Immigrants \| Australia	0.1 /100 \| #312	Tragic 3.13
Bulgarians	0.1 /100 \| #313	Tragic 3.13