Question

what is the median in the following arrays? 7,9,11,13,15,17,19
a).11 b).13 c).19 d).17

Answer 1

(b)13 is the answer.
Hope it helps.

Answer 2

The array has 7 numbers so it has odd numbers

Firstly arrange in ascending order,

The median of odd numbers is

$\frac{n + 1}{2} = \frac{7 + 1}{2} \\ = 4$
So the fourth term of the array is the median that is 13

^-^