Question

Find the mean of first 10 even natural numbers.

Answer 1

The first 10 even natural numbers are 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20. They are 10 in numbers.

We have to find the mean of the first 10 even natural numbers.

Remember the definition of mean of n values x₁, x₂… x_n is

Therefore the mean of the first 10 even natural numbers is