A.全部大學(xué)畢業(yè)生是研究總體
B.大學(xué)畢業(yè)生總數(shù)是統(tǒng)計(jì)指標(biāo)
C.大學(xué)畢業(yè)生就業(yè)率是統(tǒng)計(jì)標(biāo)志
D.反映每位大學(xué)畢業(yè)生特征的職業(yè)是數(shù)量指標(biāo)
您可能感興趣的試卷
你可能感興趣的試題
A.全距
B.標(biāo)準(zhǔn)差
C.平均差
D.標(biāo)準(zhǔn)差系數(shù)
A.提高
B.下降
C.不變
D.條件不夠,無法判斷
A.每個(gè)組的最小值
B.每個(gè)組的最大值
C.全距中的最大值
D.全距中的最小值
A.80%~89%,90%~99%,100%~109%,110%以上
B.80%以下,80.1%~90%,90.1%~100%,100.1%~110%
C.90%以下,90%~100%,100%~110%,110%以上
D.85%以下,85%~95%,95%~100%,105%~115%
A.小于1
B.等于1
C.大于1
D.不等于1
最新試題
最能反映離散程度的指標(biāo)是()
某廠某年職工勞動生產(chǎn)率為20000元,是歷史最高水平的1.2倍。這里的1.2倍是()
Simon Arnett, Director of Human Resources, is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year (1 January 2005 to 31 December 2005). The average number of absences per employee, calculated from the personnel data of all employees, is a ().
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 ().
The number of class intervals in a frequency distribution is usually between ().
變量數(shù)列中,各組頻率之和應(yīng)()
什么是季節(jié)變動?研究它的意義何在?如何測定季節(jié)變動?
為什么在計(jì)算平均指標(biāo)的基礎(chǔ)上還有必要進(jìn)一步計(jì)算變異指標(biāo)?
One advantage of a stem and leaf plot over a frequency distribution is that ().
要了解某地區(qū)全部大學(xué)生的就業(yè)情況,那么()