問題詳情
2. Which of the following statements is true?
(A) Third degree central moment equal to zero is a sufficient condition for a distribution to besymmetric.
(B) Fourth degree central moment is used to evaluate the skewness of a distribution.
(C) Fourth degree central moment is no less than third degree central moment for a symmetricdistribution.
(D)A distributions skew to the right has positive third degree central moment.
參考答案
答案：[無官方正解]
難度：計算中-1
書單：沒有書單，新增