多項(xiàng)選擇題多獨(dú)立樣本的非參數(shù)檢驗(yàn)方法包括()

A.中位數(shù)檢驗(yàn)
B.曼-惠特尼U檢驗(yàn)
C.K-S檢驗(yàn)
D.Kruskal-Wallis檢驗(yàn)
E.Jonckheere-Terpstra檢驗(yàn)


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2.多項(xiàng)選擇題關(guān)于單樣本t檢驗(yàn)的說法,正確的是()

A.單樣本t檢驗(yàn)是對樣本來自的總體的均值檢驗(yàn)
B.單樣本t檢驗(yàn)中要求數(shù)據(jù)只包含一個個案
C.單樣本t檢驗(yàn)要求樣本來自的總體服從或近似服從正態(tài)分布
D.單樣本t檢驗(yàn)中原假設(shè)是總體均值與檢驗(yàn)值存在顯著差異
E.單樣本t檢驗(yàn)可以對總體比例進(jìn)行檢驗(yàn)

3.多項(xiàng)選擇題基本描述統(tǒng)計(jì)量包括()

A.反映集中趨勢的描述統(tǒng)計(jì)量
B.反映總規(guī)??偹降拿枋鼋y(tǒng)計(jì)量
C.反映離散程度的描述統(tǒng)計(jì)量
D.反映分布形態(tài)的描述統(tǒng)計(jì)量

4.多項(xiàng)選擇題下列關(guān)于數(shù)據(jù)拆分的說法,正確的是()

A.數(shù)據(jù)拆分選擇的菜單是Data-Split  File
B.數(shù)據(jù)拆分的本質(zhì)就是對數(shù)據(jù)按拆分變量進(jìn)行排序
C.數(shù)據(jù)拆分的本質(zhì)是將一個數(shù)據(jù)文件分成了若干個獨(dú)立的數(shù)據(jù)文件
D.數(shù)據(jù)拆分對后面的分析一直起作用,直到取消拆分為止

5.多項(xiàng)選擇題下列關(guān)于數(shù)據(jù)排序的說法,正確的是()

A.排序只針對某列變量進(jìn)行
B.多重排序中排序變量的次序與排序結(jié)果無關(guān)
C.排序是對整行數(shù)據(jù)排序
D.第一個排序變量也稱為主排序變量
E.通過數(shù)據(jù)排序能快捷地發(fā)現(xiàn)數(shù)據(jù)中的異常值

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題型:單項(xiàng)選擇題

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題型:單項(xiàng)選擇題

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題型:單項(xiàng)選擇題

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 ().

題型:單項(xiàng)選擇題

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