http://i599.photobucket.com/albums/t...andle/text.jpg

Do these two texts contradict each other?

Or does it mean that not all cases where E[Y | X] = E[Y] are independent, but if X and Yareindependent, then E[Y | X] = E[Y] ?

Printable View

- Nov 4th 2009, 09:12 AMbillymDo these texts contradict eachother?
http://i599.photobucket.com/albums/t...andle/text.jpg

Do these two texts contradict each other?

Or does it mean that not all cases where E[Y | X] = E[Y] are independent, but if X and Y*are*independent, then E[Y | X] = E[Y] ? - Nov 4th 2009, 11:22 AMstatmajor
No, they do not

Quote:

Or does it mean that not all cases where E[Y | X] = E[Y] are independent,

Quote:

but if X and Y*are*independent, then E[Y | X] = E[Y] ?

- Nov 4th 2009, 11:26 AMMoo