A.Median
B.Skewness
C.Kurtosis
D.Std. Deviation
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A.Mean
B.Range
C.Median
D.Sum
A.顯示頻數(shù)分布表
B.選擇繪制統(tǒng)計(jì)圖形
C.調(diào)整頻數(shù)分布表中數(shù)據(jù)的輸出順序
D.選擇統(tǒng)計(jì)圖形的格式
A.柱形圖
B.餅圖
C.直方圖
D.折線圖
A.定類型
B.定序型
C.定距型
D.定比變量
A.分類變量
B.分組變量
C.匯總變量
D.目標(biāo)變量
最新試題
對(duì)全國各鐵路交通樞紐的貨運(yùn)量、貨物種類等進(jìn)行調(diào)查,以了解全國鐵路貨運(yùn)概況。這種調(diào)查屬于()
The number of phone calls arriving at a switchboard each hour has been recorded and the following frequency distribution has been developed.What is the approximate range of the number of phone calls arriving each hour?()
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
The number of class intervals in a frequency distribution is usually between ().
變量數(shù)列中,各組頻率之和應(yīng)()
對(duì)某班級(jí)學(xué)生的生活狀況進(jìn)行統(tǒng)計(jì)調(diào)查,下列標(biāo)志中屬于不變標(biāo)志的是()
要了解某地區(qū)全部大學(xué)生的就業(yè)情況,那么()
One rule that must always be followed in constructing frequency distributions is that ().
品合格率指標(biāo)是()
A cumulative frequency distribution would provide().