?????????????????? "ce interval" ??????????
mite help if yu sort em...6, 7,8,10,10,15,20,20,20,21,25,30,30,40,45
15 numbers, sum=307, averaej=20.4666666666...
media=20, biggest=45, smallest=6, raenj=39
sum squares=1981.73333, varians=132.11555,
std deviashun=11.49415