問題詳情
5. Which of the following statement about a X2distribution is true?
(A) The shape of its probability density curve depends on the degree of freedom.
(B) It is a symmetric distribution.
(C) The value of the random variable can be negative.
(D)It is a ratio of two t distributions.
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