You have found the following ages (in years) of $5$ zebras. The zebras are randomly selected from the $42$ zebras at your local zoo: $\qquad8,\enspace 11,\enspace 17,\enspace 7,\enspace 19$ **Based on your sample, what is the average age of the zebras? What is the estimated variance of the ages?** *You may round your answers to the nearest tenth.* Average age: $\quad$ [[☃ math-keypad 1]] years old Variance: $\quad$ [[☃ math-keypad 2]] years$^2$