Find out the median from the following data: 10, 16, 5, 8, 12, 11

Arrange the data points in ascending order.
5, 8, 10, 11, 12, 16

There are 6 data points in the set. Since the number of data points is even, the median will be the average of the two middle numbers.

For an even set of $n$ data points, the middle numbers are at positions $n/2$ and $(n/2) + 1$.
Here, $n=6$, so the positions are $6/2 = 3$ and $(6/2) + 1 = 4$.
The 3rd number is 10.
The 4th number is 11.

The median is the average of these two middle numbers.

The median is 10.5.