Welsh vs Bulgarian 7th Grade
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Welsh
 Bulgarian
 7th Grade
7th Grade Comparison
Welsh
Bulgarians
97.4%
7TH GRADE
100.0/ 100
METRIC RATING
24th/ 347
METRIC RANK
97.1%
7TH GRADE
99.9/ 100
METRIC RATING
47th/ 347
METRIC RANK
Welsh vs Bulgarian 7th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 528,593,557 people shows a significant positive correlation between the proportion of Welsh and percentage of population with at least 7th grade education in the United States with a correlation coefficient (R) of 0.605 and weighted average of 97.4%. Similarly, the statistical analysis conducted on geographies consisting of 205,632,052 people shows a weak positive correlation between the proportion of Bulgarians and percentage of population with at least 7th grade education in the United States with a correlation coefficient (R) of 0.291 and weighted average of 97.1%, a difference of 0.34%.
 
7th Grade Correlation Summary
| Measurement | Welsh | Bulgarian | 
| Minimum | 95.2% | 94.2% | 
| Maximum | 100.0% | 100.0% | 
| Range | 4.8% | 5.8% | 
| Mean | 99.3% | 98.3% | 
| Median | 100.0% | 98.5% | 
| Interquartile 25% (IQ1) | 98.6% | 97.5% | 
| Interquartile 75% (IQ3) | 100.0% | 99.4% | 
| Interquartile Range (IQR) | 1.4% | 1.9% | 
| Standard Deviation (Sample) | 0.87% | 1.5% | 
| Standard Deviation (Population) | 0.86% | 1.5% | 
Similar Demographics by 7th Grade
Demographics Similar to Welsh by 7th Grade
In terms of 7th grade, the demographic groups most similar to Welsh are French (97.4%, a difference of 0.0%), Croatian (97.4%, a difference of 0.010%), Scotch-Irish (97.4%, a difference of 0.010%), Danish (97.4%, a difference of 0.010%), and Inupiat (97.4%, a difference of 0.030%).
| Demographics | Rating | Rank | 7th Grade | 
| Scottish | 100.0 /100 | #17  | Exceptional 97.5%  | 
| Tlingit-Haida | 100.0 /100 | #18  | Exceptional 97.5%  | 
| Lithuanians | 100.0 /100 | #19  | Exceptional 97.5%  | 
| Yup'ik | 100.0 /100 | #20  | Exceptional 97.4%  | 
| Inupiat | 100.0 /100 | #21  | Exceptional 97.4%  | 
| French Canadians | 100.0 /100 | #22  | Exceptional 97.4%  | 
| Croatians | 100.0 /100 | #23  | Exceptional 97.4%  | 
| Welsh | 100.0 /100 | #24  | Exceptional 97.4%  | 
| French | 100.0 /100 | #25  | Exceptional 97.4%  | 
| Scotch-Irish | 100.0 /100 | #26  | Exceptional 97.4%  | 
| Danes | 100.0 /100 | #27  | Exceptional 97.4%  | 
| Sioux | 100.0 /100 | #28  | Exceptional 97.4%  | 
| Scandinavians | 100.0 /100 | #29  | Exceptional 97.4%  | 
| Czechs | 100.0 /100 | #30  | Exceptional 97.4%  | 
| Europeans | 100.0 /100 | #31  | Exceptional 97.3%  | 
Demographics Similar to Bulgarians by 7th Grade
In terms of 7th grade, the demographic groups most similar to Bulgarians are Celtic (97.1%, a difference of 0.010%), Slavic (97.1%, a difference of 0.010%), Aleut (97.1%, a difference of 0.020%), Immigrants from Scotland (97.1%, a difference of 0.020%), and Northern European (97.1%, a difference of 0.030%).
| Demographics | Rating | Rank | 7th Grade | 
| Luxembourgers | 100.0 /100 | #40  | Exceptional 97.2%  | 
| Eastern Europeans | 100.0 /100 | #41  | Exceptional 97.2%  | 
| Chinese | 99.9 /100 | #42  | Exceptional 97.1%  | 
| Maltese | 99.9 /100 | #43  | Exceptional 97.1%  | 
| Northern Europeans | 99.9 /100 | #44  | Exceptional 97.1%  | 
| Czechoslovakians | 99.9 /100 | #45  | Exceptional 97.1%  | 
| Aleuts | 99.9 /100 | #46  | Exceptional 97.1%  | 
| Bulgarians | 99.9 /100 | #47  | Exceptional 97.1%  | 
| Celtics | 99.9 /100 | #48  | Exceptional 97.1%  | 
| Slavs | 99.9 /100 | #49  | Exceptional 97.1%  | 
| Immigrants | Scotland | 99.9 /100 | #50  | Exceptional 97.1%  | 
| Estonians | 99.9 /100 | #51  | Exceptional 97.0%  | 
| Greeks | 99.9 /100 | #52  | Exceptional 97.0%  | 
| Austrians | 99.8 /100 | #53  | Exceptional 97.0%  | 
| Australians | 99.8 /100 | #54  | Exceptional 97.0%  |