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歡迎您訪問每日一練:某工廠對一個生產小組加工的零件進行抽樣調查,在10!

每日一練:某工廠對一個生產小組加工的零件進行抽樣調查,在10

更新時間:2024-01-12 12:56:47作者:貝語網校

某工廠對一個生產小組加工的零件進行抽樣調查,在10天中,這個生產小組每天出的次品數如下(單位:個):0,2,0,2,3,0,2,3,1,2.下列結論中正確的是

A.平均數是2

B.眾數是3

C.中位數是1.5

D.方差是1.25

試題答案

D

平均數為1.5,眾數為2,中位數為2.
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