Costa Rican vs Immigrants from Latvia 9th Grade
COMPARE
Costa Rican
 Immigrants from Latvia
 9th Grade
9th Grade Comparison
Costa Ricans
Immigrants from Latvia
94.3%
9TH GRADE
3.5/ 100
METRIC RATING
234th/ 347
METRIC RANK
95.6%
9TH GRADE
98.7/ 100
METRIC RATING
94th/ 347
METRIC RANK
Costa Rican vs Immigrants from Latvia 9th Grade Correlation Chart
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 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 1.4%.
 
9th Grade Correlation Summary
| Measurement | Costa Rican | Immigrants from Latvia | 
| Minimum | 85.3% | 93.7% | 
| Maximum | 100.0% | 100.0% | 
| Range | 14.7% | 6.3% | 
| Mean | 94.5% | 97.9% | 
| Median | 94.7% | 98.8% | 
| Interquartile 25% (IQ1) | 92.9% | 96.5% | 
| Interquartile 75% (IQ3) | 96.9% | 99.5% | 
| Interquartile Range (IQR) | 4.0% | 3.0% | 
| Standard Deviation (Sample) | 3.5% | 2.0% | 
| Standard Deviation (Population) | 3.4% | 1.9% | 
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 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%  |