問題詳情
21. 下表是 905 班第二次段考數學成績的次數分配表,若成績的平均數為 67 分,下列選項何者有誤? 
(A) 60 分的有 6 人
(B) 70 分的有 14 人
(C) 第 3 四分位數為 70 分
(D) 四分位距為 20 分

(A) 60 分的有 6 人
(B) 70 分的有 14 人
(C) 第 3 四分位數為 70 分
(D) 四分位距為 20 分
參考答案
答案:C
難度:計算中-1
書單:沒有書單,新增
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