You have found the following ages (in years) of all $4$ bears at your local zoo:
$\qquad5,\enspace 4,\enspace 6,\enspace 39$
** What is the average age of the bears at your zoo? What is the standard deviation? Round your answers to the nearest tenth. **
Average age:
$\quad$ [[☃ math-keypad 1]] years old
Standard deviation:
$\quad$ [[☃ math-keypad 2]] years