Median - statistics examples

Calculate median of file:
{12, 67, 13, 54, 13, 59, 25, 37, 69} =
{65, 97, 61, 2, 25, 87, 32, 28, 76} =
{52, 89, 80, 23, 28, 34, 55, 86, 84, 7} =
{75, 47, 53, 12, 16, 58, 98, 4, 10} =
{71, 84, 31, 91, 14, 5, 82, 84, 97} =
{59, 65, 84, 6, 33, 80, 26, 7, 62} =
{93, 32, 75, 71, 84, 76, 53, 81, 70} =
{4, 12, 92, 10, 23, 85, 41, 53, 18} =
{7, 72, 58, 92, 40, 89, 4, 21, 2, 75} =
{97, 13, 39, 58, 33, 15, 74, 24, 10} =