Aritmetický průměr - příklady ze statistiky

Vypočtěte aritmetický průměr souboru:
{96, 85, 40, 38, 25, 25, 38, 52, 37, 87} =
{23, 59, 3, 37, 47, 81, 93, 73, 46, 99} =
{72, 37, 94, 79, 27, 1, 28, 48, 80} =
{3, 46, 50, 27, 69, 66, 40, 23, 78} =
{31, 21, 10, 80, 89, 18, 59, 78, 44, 34} =
{54, 82, 18, 54, 73, 60, 66, 86, 58, 99} =
{47, 16, 32, 4, 13, 78, 65, 100, 60} =
{28, 29, 61, 45, 1, 91, 44, 86, 62, 2} =
{42, 70, 63, 77, 92, 26, 14, 34, 15, 5} =
{30, 66, 93, 88, 70, 16, 4, 74, 35} =