五位部門經理的年收入如表:
要描述五位部門經理的年收入的一般水平, 用()來測度這一集中趨勢比較合適。
A.眾數
B.中位數
C.平均數
D.極差
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A.A與B相互獨立
B.A與B不獨立
C.A與B相互排斥
D.A與B相關
A.統(tǒng)計資料的收集和分析
B.理論統(tǒng)計和運用統(tǒng)計
C.統(tǒng)計預測和決策
D.描述統(tǒng)計和推斷統(tǒng)計
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