Immigrants from Bulgaria vs Korean 9th Grade

The statistical analysis conducted on geographies consisting of 172,552,181 people shows a near-perfect negative correlation between the proportion of Immigrants from Bulgaria and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of -0.923 and weighted average of 95.5%. Similarly, the statistical analysis conducted on geographies consisting of 510,943,943 people shows a slight positive correlation between the proportion of Koreans and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.055 and weighted average of 94.3%, a difference of 1.3%.

9th Grade Correlation Summary

Measurement	Immigrants from Bulgaria	Korean
Minimum	52.9%	85.9%
Maximum	100.0%	100.0%
Range	47.1%	14.1%
Mean	94.7%	94.8%
Median	96.8%	94.7%
Interquartile 25% (IQ1)	95.3%	93.3%
Interquartile 75% (IQ3)	98.5%	96.5%
Interquartile Range (IQR)	3.2%	3.3%
Standard Deviation (Sample)	9.8%	2.7%
Standard Deviation (Population)	9.5%	2.7%

Similar Demographics by 9th Grade

Demographics Similar to Immigrants from Bulgaria by 9th Grade

In terms of 9th grade, the demographic groups most similar to Immigrants from Bulgaria are Chickasaw (95.5%, a difference of 0.0%), Osage (95.5%, a difference of 0.0%), Immigrants from Zimbabwe (95.5%, a difference of 0.010%), Immigrants from Norway (95.5%, a difference of 0.020%), and Cherokee (95.4%, a difference of 0.020%).

Demographics	Rating \| Rank	9th Grade
Potawatomi	97.7 /100 \| #103	Exceptional 95.5%
Syrians	97.4 /100 \| #104	Exceptional 95.5%
Immigrants \| France	97.4 /100 \| #105	Exceptional 95.5%
Immigrants \| Norway	97.1 /100 \| #106	Exceptional 95.5%
Immigrants \| Zimbabwe	96.9 /100 \| #107	Exceptional 95.5%
Chickasaw	96.8 /100 \| #108	Exceptional 95.5%
Osage	96.8 /100 \| #109	Exceptional 95.5%
Immigrants \| Bulgaria	96.7 /100 \| #110	Exceptional 95.5%
Cherokee	96.3 /100 \| #111	Exceptional 95.4%
Immigrants \| Croatia	96.2 /100 \| #112	Exceptional 95.4%
Iroquois	96.2 /100 \| #113	Exceptional 95.4%
German Russians	96.1 /100 \| #114	Exceptional 95.4%
Burmese	96.0 /100 \| #115	Exceptional 95.4%
Immigrants \| Europe	95.7 /100 \| #116	Exceptional 95.4%
Immigrants \| Romania	95.6 /100 \| #117	Exceptional 95.4%

Demographics Similar to Koreans by 9th Grade

In terms of 9th grade, the demographic groups most similar to Koreans are Somali (94.3%, a difference of 0.0%), South American Indian (94.3%, a difference of 0.0%), Immigrants from China (94.3%, a difference of 0.0%), Immigrants from Ethiopia (94.3%, a difference of 0.010%), and Spanish American (94.2%, a difference of 0.020%).

Demographics	Rating \| Rank	9th Grade
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%
Immigrants \| Middle Africa	2.2 /100 \| #242	Tragic 94.2%
Immigrants \| Cameroon	2.1 /100 \| #243	Tragic 94.2%
Dutch West Indians	2.0 /100 \| #244	Tragic 94.2%