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.目標變量
最新試題
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
A student achieves an 82 on the first test in a statistics course. From this, she assumes that her average at the end of the semester (after other tests) will be about 82. This is an example of （）.
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 cumulative frequency of the third class？（）
某企業(yè)的生產(chǎn)計劃完成百分比采用如下分組，請指出哪項是正確的（）
One advantage of a stem and leaf plot over a frequency distribution is that （）.
某企業(yè)2018年技術(shù)工占50%，2019年新招收了一批學徒工，使學徒工的比重增加了10%。假定全廠各級工資水平均無變化，則2019年職工總平均工資將（）
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
One rule that must always be followed in constructing frequency distributions is that （）.
為什么在計算平均指標的基礎(chǔ)上還有必要進一步計算變異指標？
Which of the following statements is not true？（）