Algebra Examples

$18$ , $17$ , $12$ , $14$ , $8$ , $21$ , $10$ , $11$ , $19$ , $20$ , $10$ , $5$ , $17$ , $12$ , $10$ , $20$

Step 1

The mode is the element that occurs most in the data set. In this case, $10$ occurs $3$ times.

$10$