Welsh vs Tongan 4th Grade
COMPARE
Welsh
 Tongan
 4th Grade
4th Grade Comparison
Welsh
Tongans
98.7%
4TH GRADE
100.0/ 100
METRIC RATING
2nd/ 347
METRIC RANK
97.3%
4TH GRADE
5.8/ 100
METRIC RATING
219th/ 347
METRIC RANK
Welsh vs Tongan 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 102,877,776 people shows a moderate positive correlation between the proportion of Tongans and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.406 and weighted average of 97.3%, a difference of 1.5%.
 
4th Grade Correlation Summary
| Measurement | Welsh | Tongan | 
| Minimum | 98.5% | 94.1% | 
| Maximum | 100.0% | 100.0% | 
| Range | 1.5% | 5.9% | 
| Mean | 99.6% | 97.9% | 
| Median | 100.0% | 98.1% | 
| Interquartile 25% (IQ1) | 99.1% | 96.9% | 
| Interquartile 75% (IQ3) | 100.0% | 99.0% | 
| Interquartile Range (IQR) | 0.89% | 2.1% | 
| Standard Deviation (Sample) | 0.49% | 1.4% | 
| Standard Deviation (Population) | 0.49% | 1.4% | 
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 Tongans by 4th Grade
In terms of 4th grade, the demographic groups most similar to Tongans are Sierra Leonean (97.3%, a difference of 0.010%), Iraqi (97.3%, a difference of 0.010%), South American Indian (97.3%, a difference of 0.010%), Immigrants from Panama (97.3%, a difference of 0.010%), and Immigrants from Lebanon (97.3%, a difference of 0.010%).
| Demographics | Rating | Rank | 4th Grade | 
| Tohono O'odham | 8.4 /100 | #212  | Tragic 97.3%  | 
| Costa Ricans | 8.3 /100 | #213  | Tragic 97.3%  | 
| Immigrants | Nepal | 7.7 /100 | #214  | Tragic 97.3%  | 
| Immigrants | Morocco | 7.1 /100 | #215  | Tragic 97.3%  | 
| Samoans | 6.8 /100 | #216  | Tragic 97.3%  | 
| Sierra Leoneans | 6.5 /100 | #217  | Tragic 97.3%  | 
| Iraqis | 6.3 /100 | #218  | Tragic 97.3%  | 
| Tongans | 5.8 /100 | #219  | Tragic 97.3%  | 
| South American Indians | 5.5 /100 | #220  | Tragic 97.3%  | 
| Immigrants | Panama | 5.4 /100 | #221  | Tragic 97.3%  | 
| Immigrants | Lebanon | 5.1 /100 | #222  | Tragic 97.3%  | 
| Immigrants | Sudan | 5.0 /100 | #223  | Tragic 97.2%  | 
| Immigrants | Syria | 5.0 /100 | #224  | Tragic 97.2%  | 
| Immigrants | Iraq | 4.6 /100 | #225  | Tragic 97.2%  | 
| Bahamians | 3.8 /100 | #226  | Tragic 97.2%  |