Welsh vs South African 4th Grade
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Welsh
South African
4th Grade
4th Grade Comparison
Welsh
South Africans
98.7%
4TH GRADE
100.0/ 100
METRIC RATING
2nd/ 347
METRIC RANK
97.9%
4TH GRADE
98.2/ 100
METRIC RATING
98th/ 347
METRIC RANK
Welsh vs South African 4th Grade Correlation Chart
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%. Similarly, the statistical analysis conducted on geographies consisting of 182,604,532 people shows a mild positive correlation between the proportion of South Africans and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.365 and weighted average of 97.9%, a difference of 0.82%.
4th Grade Correlation Summary
| Measurement | Welsh | South African |
| Minimum | 98.5% | 95.9% |
| Maximum | 100.0% | 100.0% |
| Range | 1.5% | 4.1% |
| Mean | 99.6% | 99.0% |
| Median | 100.0% | 99.1% |
| Interquartile 25% (IQ1) | 99.1% | 98.4% |
| Interquartile 75% (IQ3) | 100.0% | 100.0% |
| Interquartile Range (IQR) | 0.89% | 1.6% |
| Standard Deviation (Sample) | 0.49% | 1.2% |
| Standard Deviation (Population) | 0.49% | 1.2% |
Similar Demographics by 4th Grade
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% |
Demographics Similar to South Africans by 4th Grade
In terms of 4th grade, the demographic groups most similar to South Africans are Turkish (97.9%, a difference of 0.0%), Romanian (97.9%, a difference of 0.010%), Cheyenne (97.9%, a difference of 0.010%), Yugoslavian (97.9%, a difference of 0.010%), and Cree (97.9%, a difference of 0.010%).
| Demographics | Rating | Rank | 4th Grade |
| Immigrants | Sweden | 98.7 /100 | #91 | Exceptional 97.9% |
| Immigrants | Western Europe | 98.7 /100 | #92 | Exceptional 97.9% |
| Immigrants | Ireland | 98.7 /100 | #93 | Exceptional 97.9% |
| Shoshone | 98.7 /100 | #94 | Exceptional 97.9% |
| Immigrants | Germany | 98.5 /100 | #95 | Exceptional 97.9% |
| Romanians | 98.4 /100 | #96 | Exceptional 97.9% |
| Cheyenne | 98.4 /100 | #97 | Exceptional 97.9% |
| South Africans | 98.2 /100 | #98 | Exceptional 97.9% |
| Turks | 98.2 /100 | #99 | Exceptional 97.9% |
| Yugoslavians | 98.1 /100 | #100 | Exceptional 97.9% |
| Cree | 98.1 /100 | #101 | Exceptional 97.9% |
| Choctaw | 97.9 /100 | #102 | Exceptional 97.9% |
| Puget Sound Salish | 97.7 /100 | #103 | Exceptional 97.9% |
| Immigrants | Nonimmigrants | 97.5 /100 | #104 | Exceptional 97.9% |
| German Russians | 97.5 /100 | #105 | Exceptional 97.9% |