in class
have you ever been in a dilemma where you don’t wanna study, yet you want to?
well, yuhan has devised a way to do so. if you’re bored, revise another module!.
while in MIEC class, he did this:

standard error formula

standard error formula with multiplier (with condition n/N > 5%)
and in law class, if you’re really bored, stare at cute stuff

