A.a parameter
B.a statistic
C.a population
D.Both A and C are correct,since they are the same
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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
A.statistic
B.population
C.parameter
D.sample
A.nonparametric statistics
B.nominal data
C.descriptive statistics
D.inferential statistics
最新試題
The number of phone calls arriving at a switchboard each hour has been recorded and the following frequency distribution has been developed.What is the approximate range of the number of phone calls arriving each hour?()
If data are grouped into intervals and the number of items in each group is listed, this could be called a ()
最能反映離散程度的指標(biāo)是()
The number of phone calls arriving at a switchboard each hour has been recorded and the following frequency distribution has been developed.What is the cumulative frequency of the third class?()
A summary measure that is computed from a sample to describe a characteristic of the population is called()
要了解某地區(qū)全部大學(xué)生的就業(yè)情況,那么()
Descriptive statistics deals with methods of()
一個地區(qū)一定時期的商品零售額屬于()
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 ().
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()