CGPA

my_data <- read.csv("C:/Users/User/OneDrive/Desktop/student.csv")
my_data

##   S.No student_name mark1 mark2 mark3 Total Average Grade
## 1    1        Alice    85    78    92   255   85.00     A
## 2    2          Bob    75    82    79   236   78.67     A
## 3    3      Charlie    90    85    87   262   87.33     A
## 4    4        Diana    68    74    70   212   70.67     B
## 5    5        Ethan    95    91    88   274   91.33     A
## 6    7      Giselle    45    77    97   219   73.00     B
## 7    8        Hanni    76    98    80   254   84.67     A
## 8    9       Ileana    89    67    56   212   70.67     B