The total number of followers gained by two vloggers Harsh Beniwal and Ashish Chanchlani on 5 platforms are 230 and 240 in a day, with standard deviation of 2.3 and 1.2 respectively. Who is more consistent in performance and by how much variation?
1
Ashish by 2.5
2
Harsh by 2.5
3
Ashish by 3.5
4
Harsh by 3.5