問題詳情

1.Given the following dataset: 7, 5, 9, 15, 11, 8, 10. Which of the following is correct? (3%)
(A) Mean = 9
(B) Median = 9.3
(C)Variance (σ2) = 8.78
(D)Sample size (n) = 6
(E)Standard deviation (σ) = 4.11

參考答案

答案：[無官方正解]
難度：適中0.5
書單：沒有書單，新增