Aritmetický priemer - príklady zo štatistiky

Vypočítajte aritmetický priemer súboru:
{99, 79, 85, 87, 44, 19, 67, 60, 49, 67} =
{89, 76, 1, 37, 20, 89, 68, 56, 45, 31} =
{73, 31, 74, 26, 95, 62, 29, 32, 73, 6} =
{91, 74, 10, 87, 95, 9, 1, 90, 7} =
{100, 95, 6, 81, 14, 52, 79, 26, 57} =
{91, 57, 77, 81, 34, 26, 99, 53, 13} =
{69, 1, 90, 73, 97, 76, 100, 35, 26, 41} =
{63, 20, 51, 0, 65, 43, 34, 89, 4, 6} =
{84, 0, 68, 64, 33, 98, 78, 50, 42} =
{36, 79, 26, 18, 66, 54, 15, 13, 18} =