單項(xiàng)選擇題
A.不可能事件B.小概率事件C.必然事件D.隨機(jī)事件
A.折線圖B.直線圖C.拋物線圖D.方形圖
A.算術(shù)平均數(shù)B.幾何平均數(shù)C.中數(shù)D.調(diào)和平均數(shù)
A.平均增殖率B.受胎率C.分娩率D.發(fā)情率
A.偶數(shù)B.奇數(shù)C.小數(shù)D.整數(shù)
A.眾數(shù)B.中數(shù)C.幾何平均數(shù)D.算術(shù)平均數(shù)
A.組數(shù)B.組中值C.組上限D.組下限
A.多項(xiàng)式分組法B.評(píng)分法C.統(tǒng)計(jì)次數(shù)法D.單項(xiàng)式分組法
A.統(tǒng)計(jì)次數(shù)法B.單項(xiàng)式分組法C.組距式分組法D.評(píng)分法
A.算術(shù)平均數(shù)B.調(diào)和平均數(shù)C.幾何平均數(shù)D.中位數(shù)Me
A.折線圖B.矩形圖C.多邊形圖D.條形圖