判斷題在定義SPSS變量名時,變量名可以是漢字。

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A summary measure that is computed from a sample to describe a characteristic of the population is called()

題型:單項選擇題

一個地區(qū)一定時期的商品零售額屬于()

題型:多項選擇題

Which of the following is best to show the percentage of a total budget that is spent on each category of items?()

題型:單項選擇題

對全國各鐵路交通樞紐的貨運量、貨物種類等進行調(diào)查,以了解全國鐵路貨運概況。這種調(diào)查屬于()

題型:單項選擇題

以2000年a0為最初水平,2016年an為最末水平,計算鋼產(chǎn)量的年平均發(fā)展速度時,須開()

題型:單項選擇題

為什么在計算平均指標的基礎(chǔ)上還有必要進一步計算變異指標?

題型:問答題

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?()

題型:單項選擇題

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:單項選擇題

某企業(yè)2018年技術(shù)工占50%,2019年新招收了一批學徒工,使學徒工的比重增加了10%。假定全廠各級工資水平均無變化,則2019年職工總平均工資將()

題型:單項選擇題

如果居民按報告期價格購買商品需多支出40萬元,報告期商品銷售額為200萬元,則價格指數(shù)為()

題型:單項選擇題