Welsh vs South American 3rd Grade
COMPARE
Welsh
 South American
 3rd Grade
3rd Grade Comparison
Welsh
South Americans
98.8%
3RD GRADE
100.0/ 100
METRIC RATING
3rd/ 347
METRIC RANK
97.4%
3RD GRADE
0.9/ 100
METRIC RATING
249th/ 347
METRIC RANK
Welsh vs South American 3rd 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 3rd grade education in the United States with a correlation coefficient (R) of 0.650 and weighted average of 98.8%. Similarly, 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 3rd grade education in the United States with a correlation coefficient (R) of 0.212 and weighted average of 97.4%, a difference of 1.5%.
 
3rd Grade Correlation Summary
| Measurement | Welsh | South American | 
| Minimum | 98.6% | 92.1% | 
| Maximum | 100.0% | 100.0% | 
| Range | 1.4% | 7.9% | 
| Mean | 99.6% | 97.3% | 
| Median | 100.0% | 97.4% | 
| Interquartile 25% (IQ1) | 99.1% | 96.8% | 
| Interquartile 75% (IQ3) | 100.0% | 97.9% | 
| Interquartile Range (IQR) | 0.89% | 1.2% | 
| Standard Deviation (Sample) | 0.46% | 1.5% | 
| Standard Deviation (Population) | 0.46% | 1.5% | 
Similar Demographics by 3rd Grade
Demographics Similar to Welsh by 3rd Grade
In terms of 3rd grade, the demographic groups most similar to Welsh are Inupiat (98.8%, a difference of 0.030%), Tsimshian (98.8%, a difference of 0.040%), Alaskan Athabascan (98.7%, a difference of 0.13%), Norwegian (98.6%, a difference of 0.17%), and Slovak (98.6%, a difference of 0.19%).
| Demographics | Rating | Rank | 3rd Grade | 
| Crow | 100.0 /100 | #1 | Exceptional 99.6% | 
| Yup'ik | 100.0 /100 | #2 | Exceptional 99.0% | 
| Welsh | 100.0 /100 | #3 | Exceptional 98.8% | 
| Inupiat | 100.0 /100 | #4 | Exceptional 98.8% | 
| Tsimshian | 100.0 /100 | #5 | Exceptional 98.8% | 
| Alaskan Athabascans | 100.0 /100 | #6 | Exceptional 98.7% | 
| Norwegians | 100.0 /100 | #7 | Exceptional 98.6% | 
| Slovaks | 100.0 /100 | #8 | Exceptional 98.6% | 
| Germans | 100.0 /100 | #9 | Exceptional 98.6% | 
| Alaska Natives | 100.0 /100 | #10 | Exceptional 98.6% | 
| Slovenes | 100.0 /100 | #11 | Exceptional 98.6% | 
| English | 100.0 /100 | #12 | Exceptional 98.6% | 
| Tlingit-Haida | 100.0 /100 | #13 | Exceptional 98.5% | 
| Carpatho Rusyns | 100.0 /100 | #14 | Exceptional 98.5% | 
| Swedes | 100.0 /100 | #15 | Exceptional 98.5% | 
Demographics Similar to South Americans by 3rd Grade
In terms of 3rd grade, the demographic groups most similar to South Americans are Immigrants from Eastern Africa (97.4%, a difference of 0.0%), Immigrants from Senegal (97.4%, a difference of 0.010%), Assyrian/Chaldean/Syriac (97.4%, a difference of 0.010%), Immigrants from Middle Africa (97.4%, a difference of 0.010%), and Immigrants from Asia (97.4%, a difference of 0.010%).
| Demographics | Rating | Rank | 3rd Grade | 
| Koreans | 1.3 /100 | #242 | Tragic 97.4% | 
| Indians (Asian) | 1.3 /100 | #243 | Tragic 97.4% | 
| Asians | 1.1 /100 | #244 | Tragic 97.4% | 
| Ethiopians | 1.1 /100 | #245 | Tragic 97.4% | 
| Immigrants | Senegal | 1.0 /100 | #246 | Tragic 97.4% | 
| Assyrians/Chaldeans/Syriacs | 1.0 /100 | #247 | Tragic 97.4% | 
| Immigrants | Eastern Africa | 0.9 /100 | #248 | Tragic 97.4% | 
| South Americans | 0.9 /100 | #249 | Tragic 97.4% | 
| Immigrants | Middle Africa | 0.9 /100 | #250 | Tragic 97.4% | 
| Immigrants | Asia | 0.8 /100 | #251 | Tragic 97.4% | 
| Peruvians | 0.8 /100 | #252 | Tragic 97.4% | 
| Immigrants | Africa | 0.8 /100 | #253 | Tragic 97.4% | 
| Jamaicans | 0.7 /100 | #254 | Tragic 97.4% | 
| Bolivians | 0.6 /100 | #255 | Tragic 97.3% | 
| Immigrants | Congo | 0.6 /100 | #256 | Tragic 97.3% |