Question

Below are the marks of 10 randomly selected students from the

ECON 2500 class.
What is the class average?
76 45 87 90 62 34 56 93 88 13

Answer 1

the average is 64.4

Explanation:

average = mean = sum of observation/no of observations

=76+45+87+90+62+34+56+93+88+13/10

=644/10

=64.4