Irish vs Immigrants from Czechoslovakia Average Family Size

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. Similarly, the statistical analysis conducted on geographies consisting of 195,446,712 people shows a mild negative correlation between the proportion of Immigrants from Czechoslovakia and average family size in the United States with a correlation coefficient (R) of -0.312 and weighted average of 3.14, a difference of 1.3%.

Average Family Size Correlation Summary

Measurement	Irish	Immigrants from Czechoslovakia
Minimum	1.75	2.00
Maximum	6.00	4.12
Range	4.25	2.12
Mean	3.22	2.97
Median	3.08	3.01
Interquartile 25% (IQ1)	2.99	2.79
Interquartile 75% (IQ3)	3.43	3.21
Interquartile Range (IQR)	0.44	0.42
Standard Deviation (Sample)	0.59	0.44
Standard Deviation (Population)	0.59	0.44

Similar Demographics by Average Family Size

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

Demographics Similar to Immigrants from Czechoslovakia by Average Family Size

In terms of average family size, the demographic groups most similar to Immigrants from Czechoslovakia are Greek (3.14, a difference of 0.0%), Immigrants from Norway (3.14, a difference of 0.0%), Immigrants from Netherlands (3.14, a difference of 0.010%), Cypriot (3.14, a difference of 0.030%), and White/Caucasian (3.14, a difference of 0.060%).

Demographics	Rating \| Rank	Average Family Size
Immigrants \| Denmark	0.4 /100 \| #281	Tragic 3.15
Yugoslavians	0.4 /100 \| #282	Tragic 3.15
German Russians	0.4 /100 \| #283	Tragic 3.15
Immigrants \| France	0.4 /100 \| #284	Tragic 3.15
Whites/Caucasians	0.3 /100 \| #285	Tragic 3.14
Immigrants \| Netherlands	0.3 /100 \| #286	Tragic 3.14
Greeks	0.3 /100 \| #287	Tragic 3.14
Immigrants \| Czechoslovakia	0.3 /100 \| #288	Tragic 3.14
Immigrants \| Norway	0.3 /100 \| #289	Tragic 3.14
Cypriots	0.3 /100 \| #290	Tragic 3.14
Alsatians	0.2 /100 \| #291	Tragic 3.14
Europeans	0.2 /100 \| #292	Tragic 3.14
Scandinavians	0.2 /100 \| #293	Tragic 3.14
Immigrants \| Croatia	0.2 /100 \| #294	Tragic 3.14
Austrians	0.2 /100 \| #295	Tragic 3.14