判斷題進(jìn)行縱向合并時,要求兩個數(shù)據(jù)文件中的變量完全相同。
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某企業(yè)的生產(chǎn)計劃完成百分比采用如下分組,請指出哪項是正確的()
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
A summary measure that is computed from a sample to describe a characteristic of the population is called()
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If data are grouped into intervals and the number of items in each group is listed, this could be called a ()
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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 ().
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在組距數(shù)列中,下限就是()
題型:單項選擇題
Descriptive statistics deals with methods of()
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最能反映離散程度的指標(biāo)是()
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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()
題型:多項選擇題
A cumulative frequency distribution would provide().
題型:單項選擇題