Aritmetický průměr - příklady ze statistiky

Vypočtěte aritmetický průměr souboru:
{37, 24, 25, 86, 97, 59, 89, 95, 53} =
{5, 23, 89, 51, 85, 40, 21, 23, 34, 63} =
{44, 17, 72, 68, 44, 68, 71, 54, 42} =
{80, 85, 35, 81, 87, 49, 79, 59, 60, 67} =
{94, 28, 6, 29, 56, 16, 77, 30, 28} =
{93, 14, 9, 6, 60, 7, 29, 60, 97, 1} =
{37, 26, 27, 13, 41, 80, 15, 10, 46, 42} =
{16, 97, 51, 7, 65, 89, 24, 42, 61, 20} =
{27, 43, 13, 45, 44, 58, 14, 31, 94} =
{96, 78, 5, 8, 4, 62, 65, 79, 75} =