20 , 10 , 5 , 18 , 14 , 13 , 15 , 8 , 11Arrange the terms in ascending order.5,8,10,11,13,14,15,18,20The median is the middle term in the arranged data set.13 Find the Median 20 , 10 , 5 , 18 , 14 , 13 , 15 , 8 , 11