standard deviashun=sqrt(varians), so if it =5, that impli
varians=5^2=25
varians=(sum av squares av distans from the averaej) / (number av input numbers)
dont matter wot the averaej mite be. If yu wanna make test numbers, eezee tu
set averaej=0
1 possabel anser...distanses=3 & 4, kauz us no 3^2+4^2=5^2=25
but that wont werk, kauz averaej distans=7/2=3.5
werk onit