Algebra Examples

$13$ , $17$ , $15$ , $18$ , $21$ , $13$ , $20$

Step 1

The mode is the element that occurs most in the data set. In this case, $13$ occurs $2$ times.

$13$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$