Welsh vs Northern European 4th Grade
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Welsh
Northern European
4th Grade
4th Grade Comparison
Welsh
Northern Europeans
98.7%
4TH GRADE
100.0/ 100
METRIC RATING
2nd/ 347
METRIC RANK
98.2%
4TH GRADE
99.9/ 100
METRIC RATING
43rd/ 347
METRIC RANK
Welsh vs Northern European 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 406,093,361 people shows a mild positive correlation between the proportion of Northern Europeans and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.379 and weighted average of 98.2%, a difference of 0.54%.

4th Grade Correlation Summary
| Measurement | Welsh | Northern European |
| Minimum | 98.5% | 96.6% |
| Maximum | 100.0% | 100.0% |
| Range | 1.5% | 3.4% |
| Mean | 99.6% | 99.4% |
| Median | 100.0% | 99.7% |
| Interquartile 25% (IQ1) | 99.1% | 99.1% |
| Interquartile 75% (IQ3) | 100.0% | 100.0% |
| Interquartile Range (IQR) | 0.89% | 0.93% |
| Standard Deviation (Sample) | 0.49% | 0.73% |
| Standard Deviation (Population) | 0.49% | 0.72% |
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 Northern Europeans by 4th Grade
In terms of 4th grade, the demographic groups most similar to Northern Europeans are Hungarian (98.2%, a difference of 0.010%), Native Hawaiian (98.1%, a difference of 0.010%), Eastern European (98.2%, a difference of 0.030%), Czechoslovakian (98.1%, a difference of 0.030%), and Ottawa (98.1%, a difference of 0.030%).
| Demographics | Rating | Rank | 4th Grade |
| British | 100.0 /100 | #36 | Exceptional 98.2% |
| Latvians | 99.9 /100 | #37 | Exceptional 98.2% |
| Aleuts | 99.9 /100 | #38 | Exceptional 98.2% |
| Belgians | 99.9 /100 | #39 | Exceptional 98.2% |
| Luxembourgers | 99.9 /100 | #40 | Exceptional 98.2% |
| Eastern Europeans | 99.9 /100 | #41 | Exceptional 98.2% |
| Hungarians | 99.9 /100 | #42 | Exceptional 98.2% |
| Northern Europeans | 99.9 /100 | #43 | Exceptional 98.2% |
| Native Hawaiians | 99.9 /100 | #44 | Exceptional 98.1% |
| Czechoslovakians | 99.9 /100 | #45 | Exceptional 98.1% |
| Ottawa | 99.9 /100 | #46 | Exceptional 98.1% |
| Arapaho | 99.9 /100 | #47 | Exceptional 98.1% |
| Estonians | 99.8 /100 | #48 | Exceptional 98.1% |
| Bulgarians | 99.8 /100 | #49 | Exceptional 98.1% |
| Immigrants | Scotland | 99.8 /100 | #50 | Exceptional 98.1% |