Immigrants from Peru vs Irish Average Family Size

The statistical analysis conducted on geographies consisting of 328,761,601 people shows a weak negative correlation between the proportion of Immigrants from Peru and average family size in the United States with a correlation coefficient (R) of -0.236 and weighted average of 3.31. Similarly, the statistical analysis conducted on geographies consisting of 580,016,096 people shows a poor positive correlation between the proportion of Irish and average family size in the United States with a correlation coefficient (R) of 0.151 and weighted average of 3.10, a difference of 6.8%.

Average Family Size Correlation Summary

Measurement	Immigrants from Peru	Irish
Minimum	2.15	1.75
Maximum	4.27	6.00
Range	2.12	4.25
Mean	3.28	3.22
Median	3.31	3.08
Interquartile 25% (IQ1)	3.19	2.99
Interquartile 75% (IQ3)	3.41	3.43
Interquartile Range (IQR)	0.22	0.44
Standard Deviation (Sample)	0.38	0.59
Standard Deviation (Population)	0.38	0.59

Similar Demographics by Average Family Size

Demographics Similar to Immigrants from Peru by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Peru are Jamaican (3.31, a difference of 0.050%), Afghan (3.31, a difference of 0.070%), Immigrants from Bolivia (3.31, a difference of 0.090%), Malaysian (3.31, a difference of 0.10%), and Immigrants from Nigeria (3.32, a difference of 0.12%).

Demographics	Rating \| Rank	Average Family Size
Lumbee	99.8 /100 \| #80	Exceptional 3.32
Immigrants \| Dominica	99.8 /100 \| #81	Exceptional 3.32
Ecuadorians	99.8 /100 \| #82	Exceptional 3.32
Immigrants \| Afghanistan	99.8 /100 \| #83	Exceptional 3.32
Immigrants \| Nigeria	99.7 /100 \| #84	Exceptional 3.32
Afghans	99.7 /100 \| #85	Exceptional 3.31
Jamaicans	99.7 /100 \| #86	Exceptional 3.31
Immigrants \| Peru	99.7 /100 \| #87	Exceptional 3.31
Immigrants \| Bolivia	99.6 /100 \| #88	Exceptional 3.31
Malaysians	99.6 /100 \| #89	Exceptional 3.31
Menominee	99.4 /100 \| #90	Exceptional 3.30
Immigrants \| Pakistan	99.2 /100 \| #91	Exceptional 3.30
Immigrants \| Cameroon	99.2 /100 \| #92	Exceptional 3.30
Peruvians	99.2 /100 \| #93	Exceptional 3.30
Sierra Leoneans	99.0 /100 \| #94	Exceptional 3.30

Demographics Similar to Irish by Average Family Size

In terms of average family size, the demographic groups most similar to Irish are Swedish (3.10, a difference of 0.030%), Luxembourger (3.10, a difference of 0.060%), French (3.10, a difference of 0.060%), Croatian (3.10, a difference of 0.070%), and Estonian (3.10, a difference of 0.090%).

Demographics	Rating \| Rank	Average Family Size
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
Croatians	0.0 /100 \| #339	Tragic 3.10
Finns	0.0 /100 \| #340	Tragic 3.09
Poles	0.0 /100 \| #341	Tragic 3.09
Germans	0.0 /100 \| #342	Tragic 3.09
Norwegians	0.0 /100 \| #343	Tragic 3.08