Question

IV. ANSWER THE FOLLOWING
5 x 2 = 10
1. The height of 10 girls were measured in cm and the results were as follows,
143cm, 148cm, 135cm, 150cm, 128cm, 139cm, 149cm, 146cm 151cm,
132cm.
a) Find the mean height?
b) Find the number of girls whose heights are less than the mean height?​

Answer 1

hope it would helpful for you.

Answer 2

Answer:

Mean height=142.1

No. Of girls=4