# Variance

You might need: Calculator

### 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?
You may round your answers to the nearest tenth.
Average age:
space
years old
Variance:
space
yearsstart superscript, 2, end superscript