zzz
hypo testin suck man. fufu. =(
sample variance population mean sample mean standard error unbiased est of mean unbiased est of variance oh man they all look the same to me wat the shit.
I NEED KAI HONG'S HELP. ZZZ.
oh and i hate closets.
MY EYES ARE HUNGRY.
有的时候 没有新闻 就是好新闻
疯狂时间
WO YAO FENG LE LA. SAMPLING AND HYPO I LOVE U. LOVE ME PLEASE.