Aritmetický priemer - príklady zo štatistiky

Vypočítajte aritmetický priemer súboru:
{85, 23, 61, 19, 37, 44, 96, 40, 69} =
{40, 19, 87, 20, 16, 56, 34, 75, 69, 4} =
{5, 2, 42, 18, 58, 67, 6, 49, 96, 56} =
{3, 96, 68, 7, 34, 38, 89, 48, 90, 79} =
{96, 74, 26, 67, 51, 98, 31, 30, 81, 60} =
{3, 51, 19, 33, 3, 71, 85, 41, 43, 46} =
{61, 43, 7, 4, 65, 73, 28, 47, 95} =
{61, 82, 25, 96, 18, 72, 19, 67, 83} =
{37, 76, 51, 31, 35, 79, 66, 97, 16} =
{50, 38, 94, 62, 28, 9, 68, 91, 90, 58} =