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
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
在組距數(shù)列中，下限就是（）
某廠某年職工勞動生產(chǎn)率為20000元，是歷史最高水平的1.2倍。這里的1.2倍是（）
某班的學(xué)習(xí)按考試成績分為60分以下，60-70，70-80，80-90，90-100，這種分組（）
變量數(shù)列中，各組頻率之和應(yīng)（）
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過四個(gè)車間，這四個(gè)車間的廢品率分別為1.5%、2.0%、2.0%和1.0%。該企業(yè)生產(chǎn)這種產(chǎn)品的平均廢品率是多少？
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
A summary measure that is computed from a sample to describe a characteristic of the population is called（）
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？（）
The number of class intervals in a frequency distribution is usually between （）.