Try another version of this question Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172
Marie bought several books. The cost of each book was `$10.40`, `$9.80`, `$19.95`, `$13.70`, and `$13.99`. What is the mean price of the books Marie bought?
$
Enter DNE for Does Not Exist, oo for Infinity 13.57