Aritmetický priemer - príklady zo štatistiky

Vypočítajte aritmetický priemer súboru:
{3, 50, 54, 38, 1, 21, 30, 42, 16} =
{62, 2, 21, 99, 11, 25, 92, 64, 84, 70} =
{12, 18, 87, 18, 18, 38, 6, 92, 71, 62} =
{16, 1, 11, 49, 59, 35, 42, 69, 37} =
{17, 20, 94, 6, 56, 2, 80, 53, 21, 19} =
{16, 36, 73, 83, 13, 4, 92, 71, 100} =
{19, 18, 18, 33, 97, 79, 89, 94, 70, 30} =
{54, 42, 31, 4, 15, 95, 4, 5, 40, 76} =
{89, 44, 14, 33, 70, 72, 35, 95, 100, 58} =
{62, 57, 75, 89, 61, 100, 96, 94, 79, 78} =