問題詳情

8. A population is composed of 5 numnbers: 2, 4, 6, 8, 10. Let u and a denote mean and standarddeviation of the population, and

denote mean and standard deviation of the samplemean from the population. Which of the following statement is the most correct one?
(A) μ = 6 ，σ = 3 16
(B)


(C)

= 283；
(D)μ= 6, σ  = 2.83
(E).

=μ， σ = 3.16.

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