Question

Find the arithmetic mean of first five prime numbers.

Answer 1

Solve for the average of the first five prime numbers.

First five prime numbers are $2,3,5,7,11$.

Arithmetic Mean of these prime numbers is

$\Rightarrow \frac{2+3+5+7+11}{5}=\frac{28}{5}=5.6$

Hence, the arithmetic mean of first five prime numbers is $5.6$.