Welsh vs Subsaharan African 2nd Grade
COMPARE
Welsh
 Subsaharan African
 2nd Grade
2nd Grade Comparison
Welsh
Sub-Saharan Africans
98.5%
2ND GRADE
100.0/ 100
METRIC RATING
26th/ 347
METRIC RANK
97.6%
2ND GRADE
3.4/ 100
METRIC RATING
228th/ 347
METRIC RANK
Welsh vs Subsaharan African 2nd Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 528,593,932 people shows a significant positive correlation between the proportion of Welsh and percentage of population with at least 2nd grade education in the United States with a correlation coefficient (R) of 0.634 and weighted average of 98.5%. Similarly, the statistical analysis conducted on geographies consisting of 508,209,936 people shows a mild positive correlation between the proportion of Sub-Saharan Africans and percentage of population with at least 2nd grade education in the United States with a correlation coefficient (R) of 0.359 and weighted average of 97.6%, a difference of 0.94%.
 
2nd Grade Correlation Summary
| Measurement | Welsh | Subsaharan African | 
| Minimum | 97.5% | 89.5% | 
| Maximum | 100.0% | 100.0% | 
| Range | 2.5% | 10.5% | 
| Mean | 99.6% | 98.0% | 
| Median | 100.0% | 97.9% | 
| Interquartile 25% (IQ1) | 99.1% | 96.9% | 
| Interquartile 75% (IQ3) | 100.0% | 100.0% | 
| Interquartile Range (IQR) | 0.88% | 3.1% | 
| Standard Deviation (Sample) | 0.50% | 2.0% | 
| Standard Deviation (Population) | 0.50% | 2.0% | 
Similar Demographics by 2nd Grade
Demographics Similar to Welsh by 2nd Grade
In terms of 2nd grade, the demographic groups most similar to Welsh are Scotch-Irish (98.5%, a difference of 0.010%), Croatian (98.5%, a difference of 0.010%), Arapaho (98.5%, a difference of 0.010%), French (98.5%, a difference of 0.010%), and Finnish (98.5%, a difference of 0.020%).
| Demographics | Rating | Rank | 2nd Grade | 
| Finns | 100.0 /100 | #19  | Exceptional 98.5%  | 
| Sioux | 100.0 /100 | #20  | Exceptional 98.5%  | 
| Lithuanians | 100.0 /100 | #21  | Exceptional 98.5%  | 
| Poles | 100.0 /100 | #22  | Exceptional 98.5%  | 
| Danes | 100.0 /100 | #23  | Exceptional 98.5%  | 
| Pennsylvania Germans | 100.0 /100 | #24  | Exceptional 98.5%  | 
| Scotch-Irish | 100.0 /100 | #25  | Exceptional 98.5%  | 
| Welsh | 100.0 /100 | #26  | Exceptional 98.5%  | 
| Croatians | 100.0 /100 | #27  | Exceptional 98.5%  | 
| Arapaho | 100.0 /100 | #28  | Exceptional 98.5%  | 
| French | 100.0 /100 | #29  | Exceptional 98.5%  | 
| Europeans | 100.0 /100 | #30  | Exceptional 98.5%  | 
| Czechs | 100.0 /100 | #31  | Exceptional 98.5%  | 
| French Canadians | 100.0 /100 | #32  | Exceptional 98.5%  | 
| Scandinavians | 100.0 /100 | #33  | Exceptional 98.5%  | 
Demographics Similar to Sub-Saharan Africans by 2nd Grade
In terms of 2nd grade, the demographic groups most similar to Sub-Saharan Africans are Immigrants from Syria (97.6%, a difference of 0.010%), Immigrants from Nepal (97.6%, a difference of 0.010%), Immigrants from Costa Rica (97.6%, a difference of 0.010%), Senegalese (97.6%, a difference of 0.010%), and Iraqi (97.6%, a difference of 0.020%).
| Demographics | Rating | Rank | 2nd Grade | 
| Iraqis | 4.6 /100 | #221  | Tragic 97.6%  | 
| Immigrants | Sudan | 4.5 /100 | #222  | Tragic 97.6%  | 
| Sierra Leoneans | 4.3 /100 | #223  | Tragic 97.6%  | 
| Immigrants | Zaire | 4.3 /100 | #224  | Tragic 97.6%  | 
| Tongans | 4.3 /100 | #225  | Tragic 97.6%  | 
| Immigrants | Syria | 4.0 /100 | #226  | Tragic 97.6%  | 
| Immigrants | Nepal | 4.0 /100 | #227  | Tragic 97.6%  | 
| Sub-Saharan Africans | 3.4 /100 | #228  | Tragic 97.6%  | 
| Immigrants | Costa Rica | 3.1 /100 | #229  | Tragic 97.6%  | 
| Senegalese | 3.1 /100 | #230  | Tragic 97.6%  | 
| Immigrants | Pakistan | 2.3 /100 | #231  | Tragic 97.6%  | 
| Immigrants | Western Asia | 2.1 /100 | #232  | Tragic 97.6%  | 
| Immigrants | Uruguay | 2.1 /100 | #233  | Tragic 97.6%  | 
| Immigrants | Malaysia | 2.0 /100 | #234  | Tragic 97.6%  | 
| Colombians | 1.9 /100 | #235  | Tragic 97.6%  |