my_data <- read.csv("C:/Users/CSE/Desktop/student.csv")
my_data
##    S.no    Name Mark.1 Mark.2 Mark.3 Total
## 1     1   Alice    100     85     92   277
## 2     2     Bob     89     90     93   272
## 3     3 Charlie     80     78     94   252
## 4     4   David     24     88     78   190
## 5     5     Eva     94     92     70   256
## 6     6   Frank     69     80     84   233
## 7     7   Grace     77     84     88   249
## 8     8  Hannah     84     89     50   223
## 9     9     Ian     85     91     91   267
## 10   10    Jack     88     75     87   250