A.ogive
B.histogram
C.frequency distribution
D.stem and leaf plot
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A.Summarising data
B.Displaying aspects of the collected data
C.Reporting numerical findings
D.Estimating characteristics of the population
A.descriptive statistics
B.inferential statistics
C.nonparametric statistics
D.wishful thinking
A.One form of descriptive statistics uses graphical techniques
B.One form of descriptive statistics uses numerical techniques
C.In the language of statistics,the term population refers to a group of people
D.Statistical inference is used to draw conclusions or inferences about characteristics of populations based on sample data
A.organising data.
B.summarising data
C.presenting data in a convenient and informative way
D.doing all of the above
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
A.statistic
B.population
C.parameter
D.sample
最新试题
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
Descriptive statistics deals with methods of()
The number of class intervals in a frequency distribution is usually between ().
在组距数列中,下限就是()
品合格率指标是()
对全国各铁路交通枢纽的货运量、货物种类等进行调查,以了解全国铁路货运概况。这种调查属于()
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?()
对某班级学生的生活状况进行统计调查,下列标志中属于不变标志的是()
One rule that must always be followed in constructing frequency distributions is that ().
某厂某年职工劳动生产率为20000元,是历史最高水平的1.2倍。这里的1.2倍是()