A.楊格綜合指數(shù)
B.馬埃綜合指數(shù)
C.費(fèi)暄理想指數(shù)
D.平均指數(shù)
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A.方案枝
B.狀態(tài)枝
C.決策點(diǎn)
D.狀態(tài)點(diǎn)
A.大中取小原則
B.小中取大原則
C.大中取大原則
D.折中原則
A.n
B.p
C.n-p
D.n+p
A.均大于0
B.均等于0
C.均小于0
D.均不為0
A.線(xiàn)性函數(shù)依存關(guān)系
B.確定性的數(shù)量依存關(guān)系
C.非線(xiàn)性函數(shù)依存關(guān)系
D.非確定性的數(shù)量依存關(guān)系
最新試題
One advantage of a stem and leaf plot over a frequency distribution is that （）.
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？（）
某廠(chǎng)某年職工勞動(dòng)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（）
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？（）
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 （）.
A cumulative frequency distribution would provide（）.
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
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 （）.
為什么在計(jì)算平均指標(biāo)的基礎(chǔ)上還有必要進(jìn)一步計(jì)算變異指標(biāo)？
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（）