- #1

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## Main Question or Discussion Point

Hey

In my textbook it says if E[(x-u)^3] is positive the skew is to the right, and negative to the left. u=expected value.

This is ok and I believe it, but I can't see why it is like this. Is there an easy explanation of why this has to hold?

In my textbook it says if E[(x-u)^3] is positive the skew is to the right, and negative to the left. u=expected value.

This is ok and I believe it, but I can't see why it is like this. Is there an easy explanation of why this has to hold?