Student perfornmance

This is a report in student performance. Here is some summary statistics.

load("student.RData")
summary(grade)
##  country    gender        math            stat            econ      
##  AT:24   female:50   Min.   :2.580   Min.   :2.860   Min.   :3.750  
##  CH:39   male  :43   1st Qu.:3.880   1st Qu.:3.970   1st Qu.:4.410  
##  DE:30               Median :4.620   Median :4.710   Median :5.060  
##                      Mean   :4.554   Mean   :4.586   Mean   :4.978  
##                      3rd Qu.:5.350   3rd Qu.:5.260   3rd Qu.:5.530  
##                      Max.   :6.000   Max.   :6.000   Max.   :6.000  
##       art          student_id   isMale       
##  Min.   :2.860   Min.   : 1   Mode :logical  
##  1st Qu.:3.880   1st Qu.:24   FALSE:50       
##  Median :4.800   Median :47   TRUE :43       
##  Mean   :4.646   Mean   :47                  
##  3rd Qu.:5.540   3rd Qu.:70                  
##  Max.   :6.000   Max.   :93

Graphical analysis

Statistics and mathematics grades …

## Warning: package 'ggplot2' was built under R version 3.6.2
## `geom_smooth()` using formula 'y ~ x'