South American vs Welsh 4th Grade
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South American
Welsh
4th Grade
4th Grade Comparison
South Americans
Welsh
97.1%
4TH GRADE
0.8/ 100
METRIC RATING
251st/ 347
METRIC RANK
98.7%
4TH GRADE
100.0/ 100
METRIC RATING
2nd/ 347
METRIC RANK
South American vs Welsh 4th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 494,178,447 people shows a weak positive correlation between the proportion of South Americans and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.220 and weighted average of 97.1%. Similarly, the statistical analysis conducted on geographies consisting of 239,959,962 people shows a significant positive correlation between the proportion of Welsh and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.654 and weighted average of 98.7%, a difference of 1.7%.
4th Grade Correlation Summary
| Measurement | South American | Welsh |
| Minimum | 91.7% | 98.5% |
| Maximum | 100.0% | 100.0% |
| Range | 8.3% | 1.5% |
| Mean | 97.1% | 99.6% |
| Median | 97.1% | 100.0% |
| Interquartile 25% (IQ1) | 96.3% | 99.1% |
| Interquartile 75% (IQ3) | 97.8% | 100.0% |
| Interquartile Range (IQR) | 1.5% | 0.89% |
| Standard Deviation (Sample) | 1.6% | 0.49% |
| Standard Deviation (Population) | 1.6% | 0.49% |
Similar Demographics by 4th Grade
Demographics Similar to South Americans by 4th Grade
In terms of 4th grade, the demographic groups most similar to South Americans are Jamaican (97.1%, a difference of 0.0%), Immigrants from Liberia (97.1%, a difference of 0.0%), Immigrants from Middle Africa (97.1%, a difference of 0.0%), Immigrants from Africa (97.1%, a difference of 0.010%), and Immigrants from Senegal (97.1%, a difference of 0.010%).
| Demographics | Rating | Rank | 4th Grade |
| Koreans | 1.3 /100 | #244 | Tragic 97.1% |
| Immigrants | Eastern Africa | 1.2 /100 | #245 | Tragic 97.1% |
| Immigrants | Uruguay | 1.2 /100 | #246 | Tragic 97.1% |
| Ethiopians | 1.2 /100 | #247 | Tragic 97.1% |
| Immigrants | Asia | 1.2 /100 | #248 | Tragic 97.1% |
| Immigrants | Africa | 1.0 /100 | #249 | Tragic 97.1% |
| Immigrants | Senegal | 0.9 /100 | #250 | Tragic 97.1% |
| South Americans | 0.8 /100 | #251 | Tragic 97.1% |
| Jamaicans | 0.8 /100 | #252 | Tragic 97.1% |
| Immigrants | Liberia | 0.8 /100 | #253 | Tragic 97.1% |
| Immigrants | Middle Africa | 0.8 /100 | #254 | Tragic 97.1% |
| Peruvians | 0.7 /100 | #255 | Tragic 97.1% |
| Bolivians | 0.7 /100 | #256 | Tragic 97.1% |
| Immigrants | Congo | 0.5 /100 | #257 | Tragic 97.0% |
| Immigrants | Colombia | 0.5 /100 | #258 | Tragic 97.0% |
Demographics Similar to Welsh by 4th Grade
In terms of 4th grade, the demographic groups most similar to Welsh are Tsimshian (98.6%, a difference of 0.060%), Inupiat (98.6%, a difference of 0.12%), Yup'ik (98.5%, a difference of 0.15%), Norwegian (98.5%, a difference of 0.19%), and Slovak (98.5%, a difference of 0.20%).
| Demographics | Rating | Rank | 4th Grade |
| Crow | 100.0 /100 | #1 | Exceptional 99.6% |
| Welsh | 100.0 /100 | #2 | Exceptional 98.7% |
| Tsimshian | 100.0 /100 | #3 | Exceptional 98.6% |
| Inupiat | 100.0 /100 | #4 | Exceptional 98.6% |
| Yup'ik | 100.0 /100 | #5 | Exceptional 98.5% |
| Norwegians | 100.0 /100 | #6 | Exceptional 98.5% |
| Slovaks | 100.0 /100 | #7 | Exceptional 98.5% |
| Germans | 100.0 /100 | #8 | Exceptional 98.5% |
| Slovenes | 100.0 /100 | #9 | Exceptional 98.4% |
| Alaskan Athabascans | 100.0 /100 | #10 | Exceptional 98.4% |
| English | 100.0 /100 | #11 | Exceptional 98.4% |
| Tlingit-Haida | 100.0 /100 | #12 | Exceptional 98.4% |
| Swedes | 100.0 /100 | #13 | Exceptional 98.4% |
| Carpatho Rusyns | 100.0 /100 | #14 | Exceptional 98.4% |
| Dutch | 100.0 /100 | #15 | Exceptional 98.4% |