You have found the following ages (in years) of $5$ porcupines. The porcupines are randomly selected from the $26$ porcupines at your local zoo:
$\qquad16,\enspace 10,\enspace 5,\enspace 7,\enspace 13$
** Based on your sample, what is the average age of the porcupines? What is the estimated variance of the ages?**
*You may round your answers to the nearest tenth.*
Average age:
$\quad$ [[☃ numeric-input 1]] years old
Variance:
$\quad$ [[☃ numeric-input 2]] years$^2$