Find the Median 20 , 70 , 13 , 15 , 23 , 17 , 40 , 51

$20$ , $70$ , $13$ , $15$ , $23$ , $17$ , $40$ , $51$

Step 1

Arrange the terms in ascending order.

$13, 15, 17, 20, 23, 40, 51, 70$

Step 2

The median is the middle term in the arranged data set. In the case of an even number of terms, the median is the average of the two middle terms.

$\frac{20 + 23}{2}$

Step 3

Remove parentheses.

$\frac{20 + 23}{2}$

Step 4

Add $20$ and $23$ .

$\frac{43}{2}$

Step 5

Convert the median $\frac{43}{2}$ to decimal.

$21.5$