Exercise Solution 3.5
False. We can say that, if the third moment of X exists and ϕ(μ + x) = ϕ(μ – x) for all x, then X must have 0 skewness.
False. We can say that, if the third moment of X exists and ϕ(μ + x) = ϕ(μ – x) for all x, then X must have 0 skewness.