单项选择题

If the individual class frequency is divided by the total frequency, the result is the （）.

A.midpoint frequency
B.cumulative frequency
C.stem and leaf plot
D.relative frequency

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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