# Variance

Practice calculating both sample and population variances.

### Problem

You have found the following ages (in years) of 5 gorillas. The gorillas are randomly selected from the 29 gorillas at your local zoo:
space, 8, comma, space, 4, comma, space, 14, comma, space, 16, comma, space, 8
Based on your sample, what is the average age of the gorillas? What is the estimated variance of the ages?