Question

Organize the following marks in a class assessment in a tabular form.

4,6,7,5,3,5,4,5,2,6,2,5,1,9,6,5,8,4,6,7
(iv) Find the arithmetic mean.

Answer 1

arithmetic mean = sum of observations / no. of observations
= 100/20
=5

Answer 2

it help you I hope and