English vs Costa Rican 9th Grade
COMPARE
English
Costa Rican
9th Grade
9th Grade Comparison
English
Costa Ricans
96.6%
9TH GRADE
100.0/ 100
METRIC RATING
12th/ 347
METRIC RANK
94.3%
9TH GRADE
3.5/ 100
METRIC RATING
234th/ 347
METRIC RANK
English vs Costa Rican 9th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 579,981,193 people shows a poor positive correlation between the proportion of English and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.185 and weighted average of 96.6%. Similarly, 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%, a difference of 2.4%.
9th Grade Correlation Summary
| Measurement | English | Costa Rican |
| Minimum | 82.5% | 85.3% |
| Maximum | 100.0% | 100.0% |
| Range | 17.5% | 14.7% |
| Mean | 96.9% | 94.5% |
| Median | 97.8% | 94.7% |
| Interquartile 25% (IQ1) | 96.3% | 92.9% |
| Interquartile 75% (IQ3) | 98.6% | 96.9% |
| Interquartile Range (IQR) | 2.2% | 4.0% |
| Standard Deviation (Sample) | 3.3% | 3.5% |
| Standard Deviation (Population) | 3.3% | 3.4% |
Similar Demographics by 9th Grade
Demographics Similar to English by 9th Grade
In terms of 9th grade, the demographic groups most similar to English are Lithuanian (96.6%, a difference of 0.020%), Finnish (96.6%, a difference of 0.020%), Danish (96.5%, a difference of 0.040%), Scottish (96.5%, a difference of 0.050%), and Irish (96.5%, a difference of 0.050%).
| Demographics | Rating | Rank | 9th Grade |
| Swedes | 100.0 /100 | #5 | Exceptional 96.7% |
| Poles | 100.0 /100 | #6 | Exceptional 96.7% |
| Carpatho Rusyns | 100.0 /100 | #7 | Exceptional 96.7% |
| Germans | 100.0 /100 | #8 | Exceptional 96.7% |
| Tlingit-Haida | 100.0 /100 | #9 | Exceptional 96.6% |
| Lithuanians | 100.0 /100 | #10 | Exceptional 96.6% |
| Finns | 100.0 /100 | #11 | Exceptional 96.6% |
| English | 100.0 /100 | #12 | Exceptional 96.6% |
| Danes | 100.0 /100 | #13 | Exceptional 96.5% |
| Scottish | 100.0 /100 | #14 | Exceptional 96.5% |
| Irish | 100.0 /100 | #15 | Exceptional 96.5% |
| Croatians | 100.0 /100 | #16 | Exceptional 96.5% |
| Dutch | 100.0 /100 | #17 | Exceptional 96.5% |
| Scandinavians | 100.0 /100 | #18 | Exceptional 96.5% |
| Welsh | 100.0 /100 | #19 | Exceptional 96.4% |
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% |