問題詳情

8.A population is composed of 5 numbers: 2, 4, 6, 8, 10. Let μ and σ denote mean and standarddeviation of the population, and

denote mean and standard deviation of the samplemnean from the population. Which of the following statement is the most correct one? 


(A)μ=6,σ=3.16;
(B).

=6,

=3.16；
(C).

=6,

=283；
(D).μ=6,σ=2.83；
(E)

=μ,σ = 3.16.

參考答案

答案：D
難度：計算中-1
書單：沒有書單，新增