判斷題在原始數(shù)據(jù)組織方式中,數(shù)據(jù)編輯窗口的一列稱為一個個案。
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變量數(shù)列中,各組頻率之和應(yīng)()
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要了解某地區(qū)全部大學(xué)生的就業(yè)情況,那么()
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Which of the following is not the goal of descriptive statistics?()
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One rule that must always be followed in constructing frequency distributions is that ().
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時間序列構(gòu)成因素有哪些?分解的基本原理和思路是什么?
題型:問答題
對某班級學(xué)生的生活狀況進行統(tǒng)計調(diào)查,下列標(biāo)志中屬于不變標(biāo)志的是()
題型:單項選擇題
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
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()
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The number of class intervals in a frequency distribution is usually between ().
題型:單項選擇題
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