A.全部大學畢業(yè)生是研究總體
B.大學畢業(yè)生總數(shù)是統(tǒng)計指標
C.大學畢業(yè)生就業(yè)率是統(tǒng)計標志
D.反映每位大學畢業(yè)生特征的職業(yè)是數(shù)量指標
您可能感興趣的試卷
你可能感興趣的試題
A.全距
B.標準差
C.平均差
D.標準差系數(shù)
A.提高
B.下降
C.不變
D.條件不夠，無法判斷
A.每個組的最小值
B.每個組的最大值
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
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？
The number of class intervals in a frequency distribution is usually between （）.
Which of the following is not the goal of descriptive statistics?（）
一個地區(qū)一定時期的商品零售額屬于（）
One advantage of a stem and leaf plot over a frequency distribution is that （）.
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
A summary measure that is computed from a sample to describe a characteristic of the population is called（）
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). Personnel records of 50 employees are selected for analysis. (The plant employs 250.) For this study, the average number days absent for these 50 employees is a （）.
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
常用的長期趨勢測定的方法有哪些？各有什么特點？