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
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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.非線性函數(shù)依存關(guān)系
D.非確定性的數(shù)量依存關(guān)系
A.相互關(guān)聯(lián)
B.互不相關(guān)
C.計(jì)量逐步精確
D.方法逐步改進(jìn)
A.側(cè)檢驗(yàn)
B.左側(cè)檢驗(yàn)
C.雙側(cè)檢驗(yàn)
D.上側(cè)檢驗(yàn)
最新試題
一個(gè)地區(qū)一定時(shí)期的商品零售額屬于()
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 ().
對(duì)某班級(jí)學(xué)生的生活狀況進(jìn)行統(tǒng)計(jì)調(diào)查,下列標(biāo)志中屬于不變標(biāo)志的是()
If data are grouped into intervals and the number of items in each group is listed, this could be called a ()
A cumulative frequency polygon is also called ().
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
時(shí)間序列構(gòu)成因素有哪些?分解的基本原理和思路是什么?
變量數(shù)列中,各組頻率之和應(yīng)()
One rule that must always be followed in constructing frequency distributions is that ().