A.organising data.
B.summarising data
C.presenting data in a convenient and informative way
D.doing all of the above
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A.population
B.sample
C.parameter
D.statistic
A.a parameter
B.a statistic
C.a population
D.Both A and C are correct，since they are the same
A.population
B.sample
C.parameter
D.statistic
A.3 million registered voters in the state.
B.5000 registered voters interviewed.
C.53.6%of，or 2680，voters interviewed who plan to vote for him
D.46.4%of，or 2320，voters interviewed who plan not to vote for him
A.statistic
B.sample
C.population
D.parameter
最新試題
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 （）.
常用的長期趨勢測定的方法有哪些？各有什么特點？
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？
Descriptive statistics deals with methods of（）
要了解某地區(qū)全部大學生的就業(yè)情況，那么（）
A cumulative frequency distribution would provide（）.
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（）
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？
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 （）.
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（）