Tongan vs Afghan 2nd Grade
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Tongan
 Afghan
 2nd Grade
2nd Grade Comparison
Tongans
Afghans
97.6%
2ND GRADE
4.3/ 100
METRIC RATING
225th/ 347
METRIC RANK
97.3%
2ND GRADE
0.1/ 100
METRIC RATING
280th/ 347
METRIC RANK
Tongan vs Afghan 2nd Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 102,908,759 people shows a mild positive correlation between the proportion of Tongans and percentage of population with at least 2nd grade education in the United States with a correlation coefficient (R) of 0.360 and weighted average of 97.6%. Similarly, the statistical analysis conducted on geographies consisting of 148,851,685 people shows a poor positive correlation between the proportion of Afghans and percentage of population with at least 2nd grade education in the United States with a correlation coefficient (R) of 0.108 and weighted average of 97.3%, a difference of 0.34%.
 
2nd Grade Correlation Summary
| Measurement | Tongan | Afghan | 
| Minimum | 94.7% | 94.6% | 
| Maximum | 100.0% | 100.0% | 
| Range | 5.3% | 5.4% | 
| Mean | 98.1% | 97.4% | 
| Median | 98.2% | 97.4% | 
| Interquartile 25% (IQ1) | 97.3% | 96.4% | 
| Interquartile 75% (IQ3) | 99.3% | 98.3% | 
| Interquartile Range (IQR) | 2.0% | 1.9% | 
| Standard Deviation (Sample) | 1.4% | 1.3% | 
| Standard Deviation (Population) | 1.4% | 1.3% | 
Similar Demographics by 2nd Grade
Demographics Similar to Tongans by 2nd Grade
In terms of 2nd grade, the demographic groups most similar to Tongans are Immigrants from Sudan (97.6%, a difference of 0.0%), Sierra Leonean (97.6%, a difference of 0.0%), Immigrants from Zaire (97.6%, a difference of 0.0%), Immigrants from Morocco (97.6%, a difference of 0.010%), and Iraqi (97.6%, a difference of 0.010%).
| Demographics | Rating | Rank | 2nd Grade | 
| Sudanese | 5.7 /100 | #218  | Tragic 97.7%  | 
| Immigrants | Panama | 5.1 /100 | #219  | Tragic 97.6%  | 
| Immigrants | Morocco | 5.0 /100 | #220  | Tragic 97.6%  | 
| 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%  | 
Demographics Similar to Afghans by 2nd Grade
In terms of 2nd grade, the demographic groups most similar to Afghans are Immigrants from Ghana (97.3%, a difference of 0.0%), Trinidadian and Tobagonian (97.3%, a difference of 0.0%), Barbadian (97.3%, a difference of 0.010%), Immigrants from Western Africa (97.3%, a difference of 0.020%), and Immigrants from Uzbekistan (97.3%, a difference of 0.020%).
| Demographics | Rating | Rank | 2nd Grade | 
| Immigrants | Bolivia | 0.1 /100 | #273  | Tragic 97.4%  | 
| Ghanaians | 0.1 /100 | #274  | Tragic 97.4%  | 
| Immigrants | China | 0.1 /100 | #275  | Tragic 97.3%  | 
| Immigrants | Philippines | 0.1 /100 | #276  | Tragic 97.3%  | 
| Immigrants | Western Africa | 0.1 /100 | #277  | Tragic 97.3%  | 
| Immigrants | Uzbekistan | 0.1 /100 | #278  | Tragic 97.3%  | 
| Immigrants | Ghana | 0.1 /100 | #279  | Tragic 97.3%  | 
| Afghans | 0.1 /100 | #280  | Tragic 97.3%  | 
| Trinidadians and Tobagonians | 0.1 /100 | #281  | Tragic 97.3%  | 
| Barbadians | 0.1 /100 | #282  | Tragic 97.3%  | 
| Immigrants | Trinidad and Tobago | 0.0 /100 | #283  | Tragic 97.2%  | 
| Immigrants | West Indies | 0.0 /100 | #284  | Tragic 97.2%  | 
| Immigrants | Hong Kong | 0.0 /100 | #285  | Tragic 97.2%  | 
| Immigrants | Barbados | 0.0 /100 | #286  | Tragic 97.2%  | 
| Immigrants | Portugal | 0.0 /100 | #287  | Tragic 97.2%  |