Puerto Rican vs Immigrants from Latvia 9th Grade

The statistical analysis conducted on geographies consisting of 528,320,060 people shows a mild negative correlation between the proportion of Puerto Ricans and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of -0.357 and weighted average of 91.8%. Similarly, the statistical analysis conducted on geographies consisting of 113,735,345 people shows a weak positive correlation between the proportion of Immigrants from Latvia and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.270 and weighted average of 95.6%, a difference of 4.2%.

9th Grade Correlation Summary

Measurement	Puerto Rican	Immigrants from Latvia
Minimum	71.8%	93.7%
Maximum	100.0%	100.0%
Range	28.2%	6.3%
Mean	91.4%	97.9%
Median	92.3%	98.8%
Interquartile 25% (IQ1)	89.5%	96.5%
Interquartile 75% (IQ3)	94.8%	99.5%
Interquartile Range (IQR)	5.3%	3.0%
Standard Deviation (Sample)	5.3%	2.0%
Standard Deviation (Population)	5.3%	1.9%

Similar Demographics by 9th Grade

Demographics Similar to Puerto Ricans by 9th Grade

In terms of 9th grade, the demographic groups most similar to Puerto Ricans are Belizean (91.8%, a difference of 0.0%), Immigrants from Ecuador (91.8%, a difference of 0.030%), Immigrants from Belize (91.8%, a difference of 0.060%), Nicaraguan (91.9%, a difference of 0.090%), and Ecuadorian (91.9%, a difference of 0.14%).

Demographics	Rating \| Rank	9th Grade
Cape Verdeans	0.0 /100 \| #316	Tragic 92.2%
Immigrants \| Cuba	0.0 /100 \| #317	Tragic 92.2%
Nepalese	0.0 /100 \| #318	Tragic 92.0%
Ecuadorians	0.0 /100 \| #319	Tragic 91.9%
Nicaraguans	0.0 /100 \| #320	Tragic 91.9%
Immigrants \| Ecuador	0.0 /100 \| #321	Tragic 91.8%
Belizeans	0.0 /100 \| #322	Tragic 91.8%
Puerto Ricans	0.0 /100 \| #323	Tragic 91.8%
Immigrants \| Belize	0.0 /100 \| #324	Tragic 91.8%
Central American Indians	0.0 /100 \| #325	Tragic 91.5%
Immigrants \| Armenia	0.0 /100 \| #326	Tragic 91.4%
Immigrants \| Nicaragua	0.0 /100 \| #327	Tragic 91.3%
Dominicans	0.0 /100 \| #328	Tragic 91.1%
Hondurans	0.0 /100 \| #329	Tragic 91.0%
Immigrants \| Cabo Verde	0.0 /100 \| #330	Tragic 90.9%

Demographics Similar to Immigrants from Latvia by 9th Grade

In terms of 9th grade, the demographic groups most similar to Immigrants from Latvia are Immigrants from Germany (95.6%, a difference of 0.0%), Creek (95.6%, a difference of 0.010%), Immigrants from Saudi Arabia (95.6%, a difference of 0.010%), South African (95.6%, a difference of 0.020%), and American (95.6%, a difference of 0.020%).

Demographics	Rating \| Rank	9th Grade
Okinawans	99.0 /100 \| #87	Exceptional 95.7%
Immigrants \| Czechoslovakia	98.9 /100 \| #88	Exceptional 95.7%
Yugoslavians	98.9 /100 \| #89	Exceptional 95.7%
South Africans	98.8 /100 \| #90	Exceptional 95.6%
Creek	98.8 /100 \| #91	Exceptional 95.6%
Immigrants \| Saudi Arabia	98.8 /100 \| #92	Exceptional 95.6%
Immigrants \| Germany	98.7 /100 \| #93	Exceptional 95.6%
Immigrants \| Latvia	98.7 /100 \| #94	Exceptional 95.6%
Americans	98.5 /100 \| #95	Exceptional 95.6%
Filipinos	98.5 /100 \| #96	Exceptional 95.6%
Delaware	98.4 /100 \| #97	Exceptional 95.6%
Immigrants \| Japan	98.4 /100 \| #98	Exceptional 95.6%
Menominee	98.3 /100 \| #99	Exceptional 95.6%
Lebanese	98.1 /100 \| #100	Exceptional 95.6%
Immigrants \| Moldova	97.9 /100 \| #101	Exceptional 95.5%