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] ?

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- November 4th 2009, 10:12 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] ? - November 4th 2009, 12:22 PMstatmajor
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] ?

- November 4th 2009, 12:26 PMMoo