{X2 -x}y{n-n2},t(10) 3.63,P<.05
Bodmas,standard deviation,variance,single mean,wilconxon,mann whitney t-test, standard error of mean,
ED/NED2-(ED)2/N-1,t= ~x-u/(sx)
L.c.m,H.c.m...
If y is 12 and z is 7 find x...

I wonder when I'll get to use  this calculations in real life practicals...