Welsh vs Polish 8th Grade
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Welsh
 Polish
 8th Grade
8th Grade Comparison
Welsh
Poles
97.2%
8TH GRADE
100.0/ 100
METRIC RATING
22nd/ 347
METRIC RANK
97.4%
8TH GRADE
100.0/ 100
METRIC RATING
11th/ 347
METRIC RANK
Welsh vs Polish 8th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 528,593,877 people shows a substantial positive correlation between the proportion of Welsh and percentage of population with at least 8th grade education in the United States with a correlation coefficient (R) of 0.560 and weighted average of 97.2%. Similarly, the statistical analysis conducted on geographies consisting of 475,812,379 people shows a significant positive correlation between the proportion of Poles and percentage of population with at least 8th grade education in the United States with a correlation coefficient (R) of 0.624 and weighted average of 97.4%, a difference of 0.28%.
 
8th Grade Correlation Summary
| Measurement | Welsh | Polish | 
| Minimum | 94.1% | 95.0% | 
| Maximum | 100.0% | 100.0% | 
| Range | 5.9% | 5.0% | 
| Mean | 99.2% | 98.7% | 
| Median | 100.0% | 98.4% | 
| Interquartile 25% (IQ1) | 98.4% | 97.9% | 
| Interquartile 75% (IQ3) | 100.0% | 100.0% | 
| Interquartile Range (IQR) | 1.6% | 2.1% | 
| Standard Deviation (Sample) | 1.1% | 1.2% | 
| Standard Deviation (Population) | 1.1% | 1.2% | 
Demographics Similar to Welsh and Poles by 8th Grade
In terms of 8th grade, the demographic groups most similar to Welsh are French Canadian (97.2%, a difference of 0.010%), Scandinavian (97.2%, a difference of 0.010%), Czech (97.1%, a difference of 0.020%), Danish (97.2%, a difference of 0.030%), and French (97.1%, a difference of 0.030%). Similarly, the demographic groups most similar to Poles are Slovene (97.5%, a difference of 0.030%), Swedish (97.4%, a difference of 0.030%), Alaskan Athabascan (97.3%, a difference of 0.10%), English (97.3%, a difference of 0.10%), and German (97.5%, a difference of 0.11%).
| Demographics | Rating | Rank | 8th Grade | 
| Dutch | 100.0 /100 | #6  | Exceptional 97.7%  | 
| Norwegians | 100.0 /100 | #7  | Exceptional 97.6%  | 
| Slovaks | 100.0 /100 | #8  | Exceptional 97.6%  | 
| Germans | 100.0 /100 | #9  | Exceptional 97.5%  | 
| Slovenes | 100.0 /100 | #10  | Exceptional 97.5%  | 
| Poles | 100.0 /100 | #11  | Exceptional 97.4%  | 
| Swedes | 100.0 /100 | #12  | Exceptional 97.4%  | 
| Alaskan Athabascans | 100.0 /100 | #13  | Exceptional 97.3%  | 
| English | 100.0 /100 | #14  | Exceptional 97.3%  | 
| Pennsylvania Germans | 100.0 /100 | #15  | Exceptional 97.3%  | 
| Tlingit-Haida | 100.0 /100 | #16  | Exceptional 97.3%  | 
| Irish | 100.0 /100 | #17  | Exceptional 97.3%  | 
| Lithuanians | 100.0 /100 | #18  | Exceptional 97.3%  | 
| Scottish | 100.0 /100 | #19  | Exceptional 97.3%  | 
| Croatians | 100.0 /100 | #20  | Exceptional 97.2%  | 
| Danes | 100.0 /100 | #21  | Exceptional 97.2%  | 
| Welsh | 100.0 /100 | #22  | Exceptional 97.2%  | 
| French Canadians | 100.0 /100 | #23  | Exceptional 97.2%  | 
| Scandinavians | 100.0 /100 | #24  | Exceptional 97.2%  | 
| Czechs | 100.0 /100 | #25  | Exceptional 97.1%  | 
| French | 100.0 /100 | #26  | Exceptional 97.1%  |