单项选择题
A.an ogive B.a histogram C.a frequency polygon D.a stem and leaf plot
If the individual class frequency is divided by the tot...
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
If data are grouped into intervals and the number of it...
单项选择题If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
A.ogive B.histogram C.frequency distribution D.stem and leaf plot
Which of the following is not the goal of descriptive s...
单项选择题Which of the following is not the goal of descriptive statistics?（）
A.Summarising data B.Displaying aspects of the collected data C.Reporting numerical findings D.Estimating characteristics of the population
