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单项选择题
A.an ogive
B.a histogram
C.a frequency polygon
D.a stem and leaf plot
单项选择题
A.midpoint frequency
B.cumulative frequency
C.stem and leaf plot
D.relative frequency
单项选择题
A.ogive
B.histogram
C.frequency distribution
D.stem and leaf plot
单项选择题
A.Summarising data
B.Displaying aspects of the collected data
C.Reporting numerical findings
D.Estimating characteristics of the population
单项选择题
A.descriptive statistics
B.inferential statistics
C.nonparametric statistics
D.wishful thinking
单项选择题
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
单项选择题
A.organising data.
B.summarising data
C.presenting data in a convenient and informative way
D.doing all of the above
单项选择题
A.population
B.sample
C.parameter
D.statistic
单项选择题
A.a parameter
B.a statistic
C.a population
D.Both A and C are correct，since they are the same
单项选择题
A.population
B.sample
C.parameter
D.statistic
