Costa Rican vs Immigrants from West Indies 9th Grade

The statistical analysis conducted on geographies consisting of 253,601,730 people shows a poor positive correlation between the proportion of Costa Ricans and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.130 and weighted average of 94.3%. Similarly, the statistical analysis conducted on geographies consisting of 72,457,514 people shows a substantial positive correlation between the proportion of Immigrants from West Indies and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.582 and weighted average of 93.3%, a difference of 1.1%.

9th Grade Correlation Summary

Measurement	Costa Rican	Immigrants from West Indies
Minimum	85.3%	92.0%
Maximum	100.0%	100.0%
Range	14.7%	8.0%
Mean	94.5%	95.4%
Median	94.7%	94.1%
Interquartile 25% (IQ1)	92.9%	92.8%
Interquartile 75% (IQ3)	96.9%	98.7%
Interquartile Range (IQR)	4.0%	5.8%
Standard Deviation (Sample)	3.5%	2.9%
Standard Deviation (Population)	3.4%	2.9%

Similar Demographics by 9th Grade

Demographics Similar to Costa Ricans by 9th Grade

In terms of 9th grade, the demographic groups most similar to Costa Ricans are Nigerian (94.3%, a difference of 0.010%), Bolivian (94.3%, a difference of 0.010%), Immigrants from Panama (94.3%, a difference of 0.020%), Immigrants from Africa (94.3%, a difference of 0.020%), and Apache (94.3%, a difference of 0.030%).

Demographics	Rating \| Rank	9th Grade
Immigrants \| Sierra Leone	4.8 /100 \| #227	Tragic 94.4%
Lumbee	4.7 /100 \| #228	Tragic 94.4%
Immigrants \| Southern Europe	4.5 /100 \| #229	Tragic 94.3%
Apache	4.2 /100 \| #230	Tragic 94.3%
Immigrants \| Panama	4.0 /100 \| #231	Tragic 94.3%
Immigrants \| Africa	3.9 /100 \| #232	Tragic 94.3%
Nigerians	3.7 /100 \| #233	Tragic 94.3%
Costa Ricans	3.5 /100 \| #234	Tragic 94.3%
Bolivians	3.3 /100 \| #235	Tragic 94.3%
Somalis	2.9 /100 \| #236	Tragic 94.3%
Koreans	2.9 /100 \| #237	Tragic 94.3%
South American Indians	2.8 /100 \| #238	Tragic 94.3%
Immigrants \| China	2.8 /100 \| #239	Tragic 94.3%
Immigrants \| Ethiopia	2.7 /100 \| #240	Tragic 94.3%
Spanish Americans	2.6 /100 \| #241	Tragic 94.2%

Demographics Similar to Immigrants from West Indies by 9th Grade

In terms of 9th grade, the demographic groups most similar to Immigrants from West Indies are Pennsylvania German (93.3%, a difference of 0.0%), Immigrants from South Eastern Asia (93.3%, a difference of 0.060%), Immigrants from St. Vincent and the Grenadines (93.4%, a difference of 0.090%), British West Indian (93.2%, a difference of 0.090%), and Immigrants from Barbados (93.4%, a difference of 0.10%).

Demographics	Rating \| Rank	9th Grade
Malaysians	0.0 /100 \| #282	Tragic 93.5%
Barbadians	0.0 /100 \| #283	Tragic 93.5%
Bangladeshis	0.0 /100 \| #284	Tragic 93.4%
Immigrants \| Peru	0.0 /100 \| #285	Tragic 93.4%
Immigrants \| Barbados	0.0 /100 \| #286	Tragic 93.4%
Immigrants \| St. Vincent and the Grenadines	0.0 /100 \| #287	Tragic 93.4%
Immigrants \| South Eastern Asia	0.0 /100 \| #288	Tragic 93.3%
Immigrants \| West Indies	0.0 /100 \| #289	Tragic 93.3%
Pennsylvania Germans	0.0 /100 \| #290	Tragic 93.3%
British West Indians	0.0 /100 \| #291	Tragic 93.2%
Immigrants \| Laos	0.0 /100 \| #292	Tragic 93.2%
Sri Lankans	0.0 /100 \| #293	Tragic 93.2%
Cubans	0.0 /100 \| #294	Tragic 93.2%
Immigrants \| Burma/Myanmar	0.0 /100 \| #295	Tragic 93.1%
Indonesians	0.0 /100 \| #296	Tragic 93.1%