The weight of 10 students (in kgs) are
55, 40, 35, 52, 60, 38, 36, 45, 31, 44
The median weight is
Arrange the weights in ascending order, we get,
31, 35, 36, 38, 40, 44, 50, 52, 55, 60
Here, N = 10 (even)
Hence,
Mean weight = value of
=
⇒ Mean weight
∴ Mean weight = 42 kg