Welsh vs Jamaican 9th Grade
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Welsh
 Jamaican
 9th Grade
9th Grade Comparison
Welsh
Jamaicans
96.4%
9TH GRADE
100.0/ 100
METRIC RATING
19th/ 347
METRIC RANK
94.1%
9TH GRADE
1.0/ 100
METRIC RATING
251st/ 347
METRIC RANK
Welsh vs Jamaican 9th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 528,596,253 people shows a mild positive correlation between the proportion of Welsh and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.399 and weighted average of 96.4%. Similarly, the statistical analysis conducted on geographies consisting of 368,084,732 people shows a poor positive correlation between the proportion of Jamaicans and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.180 and weighted average of 94.1%, a difference of 2.5%.
 
9th Grade Correlation Summary
| Measurement | Welsh | Jamaican | 
| Minimum | 90.8% | 87.9% | 
| Maximum | 100.0% | 100.0% | 
| Range | 9.2% | 12.1% | 
| Mean | 98.2% | 94.2% | 
| Median | 98.5% | 94.2% | 
| Interquartile 25% (IQ1) | 97.4% | 92.8% | 
| Interquartile 75% (IQ3) | 100.0% | 95.5% | 
| Interquartile Range (IQR) | 2.6% | 2.8% | 
| Standard Deviation (Sample) | 2.1% | 2.6% | 
| Standard Deviation (Population) | 2.1% | 2.5% | 
Similar Demographics by 9th Grade
Demographics Similar to Welsh by 9th Grade
In terms of 9th grade, the demographic groups most similar to Welsh are Italian (96.4%, a difference of 0.0%), Alaskan Athabascan (96.4%, a difference of 0.020%), European (96.4%, a difference of 0.030%), Scandinavian (96.5%, a difference of 0.040%), and Czech (96.4%, a difference of 0.040%).
| Demographics | Rating | Rank | 9th Grade | 
| English | 100.0 /100 | #12  | Exceptional 96.6%  | 
| Danes | 100.0 /100 | #13  | Exceptional 96.5%  | 
| Scottish | 100.0 /100 | #14  | Exceptional 96.5%  | 
| Irish | 100.0 /100 | #15  | Exceptional 96.5%  | 
| Croatians | 100.0 /100 | #16  | Exceptional 96.5%  | 
| Dutch | 100.0 /100 | #17  | Exceptional 96.5%  | 
| Scandinavians | 100.0 /100 | #18  | Exceptional 96.5%  | 
| Welsh | 100.0 /100 | #19  | Exceptional 96.4%  | 
| Italians | 100.0 /100 | #20  | Exceptional 96.4%  | 
| Alaskan Athabascans | 100.0 /100 | #21  | Exceptional 96.4%  | 
| Europeans | 100.0 /100 | #22  | Exceptional 96.4%  | 
| Czechs | 100.0 /100 | #23  | Exceptional 96.4%  | 
| Latvians | 100.0 /100 | #24  | Exceptional 96.4%  | 
| French | 100.0 /100 | #25  | Exceptional 96.3%  | 
| French Canadians | 100.0 /100 | #26  | Exceptional 96.3%  | 
Demographics Similar to Jamaicans by 9th Grade
In terms of 9th grade, the demographic groups most similar to Jamaicans are Immigrants from Senegal (94.1%, a difference of 0.010%), Colombian (94.0%, a difference of 0.030%), Uruguayan (94.1%, a difference of 0.060%), Immigrants from Hong Kong (94.1%, a difference of 0.060%), and U.S. Virgin Islander (94.0%, a difference of 0.060%).
| Demographics | Rating | Rank | 9th Grade | 
| Dutch West Indians | 2.0 /100 | #244  | Tragic 94.2%  | 
| Paiute | 1.9 /100 | #245  | Tragic 94.2%  | 
| Senegalese | 1.9 /100 | #246  | Tragic 94.2%  | 
| Afghans | 1.8 /100 | #247  | Tragic 94.2%  | 
| Immigrants | Somalia | 1.4 /100 | #248  | Tragic 94.1%  | 
| Uruguayans | 1.3 /100 | #249  | Tragic 94.1%  | 
| Immigrants | Hong Kong | 1.3 /100 | #250  | Tragic 94.1%  | 
| Jamaicans | 1.0 /100 | #251  | Tragic 94.1%  | 
| Immigrants | Senegal | 0.9 /100 | #252  | Tragic 94.1%  | 
| Colombians | 0.8 /100 | #253  | Tragic 94.0%  | 
| U.S. Virgin Islanders | 0.7 /100 | #254  | Tragic 94.0%  | 
| Immigrants | Nigeria | 0.6 /100 | #255  | Tragic 94.0%  | 
| Immigrants | Afghanistan | 0.5 /100 | #256  | Tragic 94.0%  | 
| Immigrants | Costa Rica | 0.5 /100 | #257  | Tragic 94.0%  | 
| Immigrants | Thailand | 0.5 /100 | #258  | Tragic 93.9%  |