問題詳情
10. If we calculate a sample mean from the population in question 8, with sarple size equal to 2, Let

denote mean and standard deviation of the sample mean. Which of the followingstatement is the most correct one?
(A)

(B)

(C)

(D)

=5.5,

= 1.89;
(E)

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