menglingli 当前离线
CFA New Member
TOP
oofycat 当前离线
Covariance is a measure of how two assets move together
is the expected value of the product of the deviation of the two randon variable from their respective expected values.
ppsubrina 当前离线
helenayiyi 当前离线
denghao04 当前离线
xiaodan0429 当前离线
kanckng 当前离线
zhaor400 当前离线
证券投资 当前离线
第一次见到视频,看看
xiaohong23 当前离线