Basic Math Examples

$11$ , $15$ , $15$ , $17$ , $20$ , $18$ , $15$ , $17$ , $15$

Step 1

Arrange the terms in ascending order.

$11, 15, 15, 15, 15, 17, 17, 18, 20$

Step 2

The median is the middle term in the arranged data set.

$15$