A.完備性原則
B.同質(zhì)性原則
C.整齊可比性原則
D.互斥性原則
E.均衡分散性原則
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A.模型設(shè)定誤差
B.對(duì)y的觀測誤差
C.對(duì)β0的估計(jì)錯(cuò)誤
D.對(duì)β1的估計(jì)錯(cuò)誤
E.各種細(xì)小的偶然誤差
A.環(huán)比變換
B.對(duì)數(shù)變換
C.差分變換
D.移動(dòng)平均變換
E.對(duì)數(shù)差分變換
A.馬埃指數(shù)
B.楊格指數(shù)
C.拉氏指數(shù)
D.費(fèi)暄指數(shù)
E.派氏指數(shù)
A.實(shí)際經(jīng)濟(jì)增長率
B.名義經(jīng)濟(jì)增長率
C.通貨膨脹率
D.失業(yè)率
A.0.5%
B.2%
C.4.8%
D.5%
最新試題
最能反映離散程度的指標(biāo)是()
A summary measure that is computed from a sample to describe a characteristic of the population is called()
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)?
Descriptive statistics deals with methods of()
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 ().
One advantage of a stem and leaf plot over a frequency distribution is that ().
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
某企業(yè)的生產(chǎn)計(jì)劃完成百分比采用如下分組,請(qǐng)指出哪項(xiàng)是正確的()
If the individual class frequency is divided by the total frequency, the result is the ().
變量數(shù)列中,各組頻率之和應(yīng)()