Question

find mean median and range of given data of 9 students
12,18,17,15,9,9,2,9,2​

Answer 1

Answer:

mean= 4.5 median = 5

Step-by-step explanation:

mean = N/2

= 9/2 = 4.5

median = (N+1/2 )

=(9+1/2)

=10/2

=5