A.必須相同
B.必須不同
C.可以相同，也可以不同
D.完全沒有關(guān)系
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A.普查
B.抽樣調(diào)查
C.重點(diǎn)調(diào)查
D.典型調(diào)查
A.ogive
B.histogram
C.frequency distribution
D.stem and leaf plot
A.全部大學(xué)畢業(yè)生是研究總體
B.大學(xué)畢業(yè)生總數(shù)是統(tǒng)計(jì)指標(biāo)
C.大學(xué)畢業(yè)生就業(yè)率是統(tǒng)計(jì)標(biāo)志
D.反映每位大學(xué)畢業(yè)生特征的職業(yè)是數(shù)量指標(biāo)
A.histogram
B.ogive
C.stem and leaf chart
D.pie chart
最新試題
Simon Arnett, Director of Human Resources, is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year (1 January 2005 to 31 December 2005). The average number of absences per employee, calculated from the personnel data of all employees, is a （）.
One advantage of a stem and leaf plot over a frequency distribution is that （）.
Which of the following statements is not true？（）
某班的學(xué)習(xí)按考試成績(jī)分為60分以下，60-70，70-80，80-90，90-100，這種分組（）
Which of the following is not the goal of descriptive statistics?（）