Welsh vs Japanese 4th Grade
COMPARE
Welsh
 Japanese
 4th Grade
4th Grade Comparison
Welsh
Japanese
98.7%
4TH GRADE
100.0/ 100
METRIC RATING
2nd/ 347
METRIC RANK
96.0%
4TH GRADE
0.0/ 100
METRIC RATING
321st/ 347
METRIC RANK
Welsh vs Japanese 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 249,183,224 people shows a significant negative correlation between the proportion of Japanese and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of -0.660 and weighted average of 96.0%, a difference of 2.8%.
 
4th Grade Correlation Summary
| Measurement | Welsh | Japanese | 
| Minimum | 98.5% | 44.4% | 
| Maximum | 100.0% | 100.0% | 
| Range | 1.5% | 55.6% | 
| Mean | 99.6% | 92.4% | 
| Median | 100.0% | 94.8% | 
| Interquartile 25% (IQ1) | 99.1% | 92.0% | 
| Interquartile 75% (IQ3) | 100.0% | 96.7% | 
| Interquartile Range (IQR) | 0.89% | 4.8% | 
| Standard Deviation (Sample) | 0.49% | 9.6% | 
| Standard Deviation (Population) | 0.49% | 9.5% | 
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 Japanese by 4th Grade
In terms of 4th grade, the demographic groups most similar to Japanese are Immigrants from Vietnam (96.0%, a difference of 0.0%), Immigrants from Nicaragua (96.0%, a difference of 0.020%), Immigrants from Belize (96.0%, a difference of 0.030%), Dominican (96.0%, a difference of 0.040%), and Hispanic or Latino (96.0%, a difference of 0.050%).
| Demographics | Rating | Rank | 4th Grade | 
| Vietnamese | 0.0 /100 | #314 | Tragic 96.2% | 
| Nicaraguans | 0.0 /100 | #315 | Tragic 96.2% | 
| Immigrants | Ecuador | 0.0 /100 | #316 | Tragic 96.2% | 
| Central American Indians | 0.0 /100 | #317 | Tragic 96.2% | 
| Immigrants | Azores | 0.0 /100 | #318 | Tragic 96.1% | 
| Belizeans | 0.0 /100 | #319 | Tragic 96.1% | 
| Bangladeshis | 0.0 /100 | #320 | Tragic 96.1% | 
| Japanese | 0.0 /100 | #321 | Tragic 96.0% | 
| Immigrants | Vietnam | 0.0 /100 | #322 | Tragic 96.0% | 
| Immigrants | Nicaragua | 0.0 /100 | #323 | Tragic 96.0% | 
| Immigrants | Belize | 0.0 /100 | #324 | Tragic 96.0% | 
| Dominicans | 0.0 /100 | #325 | Tragic 96.0% | 
| Hispanics or Latinos | 0.0 /100 | #326 | Tragic 96.0% | 
| Hondurans | 0.0 /100 | #327 | Tragic 96.0% | 
| Mexican American Indians | 0.0 /100 | #328 | Tragic 95.8% |