BSTA

Bstats 2929 damn it man, what a crappy stuff, i forgot the formulae for CI the last part the hypothesis questions killed me until now about 27 marks gonna alrea... that's like 13.5% omg. so much lar.. it's take miracle for me to get a Ad liao... heck lar let's just go study micro... imagine u being that small insignificant fella in this oversize world.. well that's micro econs :)