Irish vs Immigrants from Portugal 4th Grade
COMPARE
Irish
 Immigrants from Portugal
 4th Grade
4th Grade Comparison
Irish
Immigrants from Portugal
98.4%
4TH GRADE
100.0/ 100
METRIC RATING
19th/ 347
METRIC RANK
96.6%
4TH GRADE
0.0/ 100
METRIC RATING
295th/ 347
METRIC RANK
Irish vs Immigrants from Portugal 4th Grade Correlation Chart
The statistical analysis conducted on geographies consisting of 580,708,089 people shows a significant positive correlation between the proportion of Irish and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.636 and weighted average of 98.4%. Similarly, the statistical analysis conducted on geographies consisting of 174,792,107 people shows a slight positive correlation between the proportion of Immigrants from Portugal and percentage of population with at least 4th grade education in the United States with a correlation coefficient (R) of 0.073 and weighted average of 96.6%, a difference of 1.8%.
 
4th Grade Correlation Summary
| Measurement | Irish | Immigrants from Portugal | 
| Minimum | 93.8% | 92.8% | 
| Maximum | 100.0% | 100.0% | 
| Range | 6.2% | 7.2% | 
| Mean | 99.0% | 96.9% | 
| Median | 99.2% | 96.9% | 
| Interquartile 25% (IQ1) | 98.8% | 95.7% | 
| Interquartile 75% (IQ3) | 100.0% | 98.0% | 
| Interquartile Range (IQR) | 1.2% | 2.3% | 
| Standard Deviation (Sample) | 1.2% | 1.8% | 
| Standard Deviation (Population) | 1.2% | 1.8% | 
Similar Demographics by 4th Grade
Demographics Similar to Irish by 4th Grade
In terms of 4th grade, the demographic groups most similar to Irish are Polish (98.4%, a difference of 0.0%), Scottish (98.4%, a difference of 0.010%), Pennsylvania German (98.4%, a difference of 0.010%), Alaska Native (98.4%, a difference of 0.010%), and Lithuanian (98.3%, a difference of 0.010%).
| Demographics | Rating | Rank | 4th Grade | 
| Tlingit-Haida | 100.0 /100 | #12  | Exceptional 98.4%  | 
| Swedes | 100.0 /100 | #13  | Exceptional 98.4%  | 
| Carpatho Rusyns | 100.0 /100 | #14  | Exceptional 98.4%  | 
| Dutch | 100.0 /100 | #15  | Exceptional 98.4%  | 
| Scottish | 100.0 /100 | #16  | Exceptional 98.4%  | 
| Pennsylvania Germans | 100.0 /100 | #17  | Exceptional 98.4%  | 
| Poles | 100.0 /100 | #18  | Exceptional 98.4%  | 
| Irish | 100.0 /100 | #19  | Exceptional 98.4%  | 
| Alaska Natives | 100.0 /100 | #20  | Exceptional 98.4%  | 
| Lithuanians | 100.0 /100 | #21  | Exceptional 98.3%  | 
| Finns | 100.0 /100 | #22  | Exceptional 98.3%  | 
| Sioux | 100.0 /100 | #23  | Exceptional 98.3%  | 
| Danes | 100.0 /100 | #24  | Exceptional 98.3%  | 
| Scotch-Irish | 100.0 /100 | #25  | Exceptional 98.3%  | 
| Croatians | 100.0 /100 | #26  | Exceptional 98.3%  | 
Demographics Similar to Immigrants from Portugal by 4th Grade
In terms of 4th grade, the demographic groups most similar to Immigrants from Portugal are Somali (96.6%, a difference of 0.010%), Immigrants from Eritrea (96.7%, a difference of 0.020%), Puerto Rican (96.7%, a difference of 0.040%), Malaysian (96.7%, a difference of 0.060%), and Immigrants from Grenada (96.7%, a difference of 0.070%).
| Demographics | Rating | Rank | 4th Grade | 
| Immigrants | Afghanistan | 0.0 /100 | #288  | Tragic 96.8%  | 
| Immigrants | West Indies | 0.0 /100 | #289  | Tragic 96.7%  | 
| British West Indians | 0.0 /100 | #290  | Tragic 96.7%  | 
| Immigrants | Grenada | 0.0 /100 | #291  | Tragic 96.7%  | 
| Malaysians | 0.0 /100 | #292  | Tragic 96.7%  | 
| Puerto Ricans | 0.0 /100 | #293  | Tragic 96.7%  | 
| Immigrants | Eritrea | 0.0 /100 | #294  | Tragic 96.7%  | 
| Immigrants | Portugal | 0.0 /100 | #295  | Tragic 96.6%  | 
| Somalis | 0.0 /100 | #296  | Tragic 96.6%  | 
| Immigrants | Somalia | 0.0 /100 | #297  | Tragic 96.5%  | 
| Haitians | 0.0 /100 | #298  | Tragic 96.5%  | 
| Immigrants | Dominica | 0.0 /100 | #299  | Tragic 96.5%  | 
| Immigrants | South Eastern Asia | 0.0 /100 | #300  | Tragic 96.5%  | 
| Immigrants | Immigrants | 0.0 /100 | #301  | Tragic 96.5%  | 
| Immigrants | Cuba | 0.0 /100 | #302  | Tragic 96.4%  |