Czech vs Welsh 9th Grade
COMPARE
Czech
 Welsh
 9th Grade
9th Grade Comparison
Czechs
Welsh
96.4%
9TH GRADE
100.0/ 100
METRIC RATING
23rd/ 347
METRIC RANK
96.4%
9TH GRADE
100.0/ 100
METRIC RATING
19th/ 347
METRIC RANK
Czech vs Welsh 9th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 484,814,005 people shows a poor positive correlation between the proportion of Czechs and percentage of population with at least 9th grade education in the United States with a correlation coefficient (R) of 0.161 and weighted average of 96.4%. Similarly, 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%, a difference of 0.040%.
 
9th Grade Correlation Summary
| Measurement | Czech | Welsh | 
| Minimum | 84.8% | 90.8% | 
| Maximum | 100.0% | 100.0% | 
| Range | 15.2% | 9.2% | 
| Mean | 96.8% | 98.2% | 
| Median | 97.3% | 98.5% | 
| Interquartile 25% (IQ1) | 95.5% | 97.4% | 
| Interquartile 75% (IQ3) | 98.5% | 100.0% | 
| Interquartile Range (IQR) | 3.0% | 2.6% | 
| Standard Deviation (Sample) | 2.7% | 2.1% | 
| Standard Deviation (Population) | 2.7% | 2.1% | 
Demographics Similar to Czechs and Welsh by 9th Grade
In terms of 9th grade, the demographic groups most similar to Czechs are European (96.4%, a difference of 0.010%), Alaskan Athabascan (96.4%, a difference of 0.020%), Latvian (96.4%, a difference of 0.030%), Italian (96.4%, a difference of 0.040%), and French (96.3%, a difference of 0.040%). Similarly, 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 Dutch (96.5%, a difference of 0.050%).
| Demographics | Rating | Rank | 9th Grade | 
| Finns | 100.0 /100 | #11  | Exceptional 96.6%  | 
| 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%  | 
| Scotch-Irish | 100.0 /100 | #27  | Exceptional 96.3%  | 
| Eastern Europeans | 100.0 /100 | #28  | Exceptional 96.3%  | 
| Chinese | 100.0 /100 | #29  | Exceptional 96.3%  | 
| Maltese | 100.0 /100 | #30  | Exceptional 96.3%  | 
| British | 100.0 /100 | #31  | Exceptional 96.3%  |