Question

The marks of 7 students in a test are given below .Find the medium marks. 15,20,21,18,29,28,25​

Answer 1

Answer:

arrange the data in ascending order.

we have marks:15,18,20,21,25,28,29

no. of data(n) =7

now,

median (if 'n' is odd) = [(n+1)/2]th term

median= (7+1)/2 = 8/2 = 4th term= 21