Welsh vs Immigrants from Africa 2nd Grade
COMPARE
Welsh
 Immigrants from Africa
 2nd Grade
2nd Grade Comparison
Welsh
Immigrants from Africa
98.5%
2ND GRADE
100.0/ 100
METRIC RATING
26th/ 347
METRIC RANK
97.5%
2ND GRADE
0.8/ 100
METRIC RATING
251st/ 347
METRIC RANK
Welsh vs Immigrants from Africa 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 469,440,174 people shows a poor positive correlation between the proportion of Immigrants from Africa and percentage of population with at least 2nd grade education in the United States with a correlation coefficient (R) of 0.144 and weighted average of 97.5%, a difference of 1.1%.
 
2nd Grade Correlation Summary
| Measurement | Welsh | Immigrants from Africa | 
| Minimum | 97.5% | 89.5% | 
| Maximum | 100.0% | 100.0% | 
| Range | 2.5% | 10.5% | 
| Mean | 99.6% | 97.1% | 
| Median | 100.0% | 97.2% | 
| Interquartile 25% (IQ1) | 99.1% | 96.3% | 
| Interquartile 75% (IQ3) | 100.0% | 98.0% | 
| Interquartile Range (IQR) | 0.88% | 1.8% | 
| Standard Deviation (Sample) | 0.50% | 2.2% | 
| Standard Deviation (Population) | 0.50% | 2.2% | 
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 Immigrants from Africa by 2nd Grade
In terms of 2nd grade, the demographic groups most similar to Immigrants from Africa are Immigrants from Eastern Africa (97.5%, a difference of 0.010%), South American (97.5%, a difference of 0.010%), Immigrants from Senegal (97.5%, a difference of 0.010%), Immigrants from Middle Africa (97.5%, a difference of 0.010%), and Bolivian (97.5%, a difference of 0.010%).
| Demographics | Rating | Rank | 2nd Grade | 
| Immigrants | Iraq | 1.0 /100 | #244  | Tragic 97.5%  | 
| Immigrants | Eastern Africa | 0.9 /100 | #245  | Tragic 97.5%  | 
| South Americans | 0.9 /100 | #246  | Tragic 97.5%  | 
| Immigrants | Senegal | 0.9 /100 | #247  | Tragic 97.5%  | 
| Immigrants | Middle Africa | 0.9 /100 | #248  | Tragic 97.5%  | 
| Bolivians | 0.9 /100 | #249  | Tragic 97.5%  | 
| Peruvians | 0.9 /100 | #250  | Tragic 97.5%  | 
| Immigrants | Africa | 0.8 /100 | #251  | Tragic 97.5%  | 
| Immigrants | Asia | 0.7 /100 | #252  | Tragic 97.5%  | 
| Puerto Ricans | 0.7 /100 | #253  | Tragic 97.5%  | 
| Indians (Asian) | 0.6 /100 | #254  | Tragic 97.5%  | 
| Immigrants | Congo | 0.6 /100 | #255  | Tragic 97.5%  | 
| Jamaicans | 0.6 /100 | #256  | Tragic 97.5%  | 
| Immigrants | Colombia | 0.5 /100 | #257  | Tragic 97.5%  | 
| Yaqui | 0.5 /100 | #258  | Tragic 97.5%  |