单项选择题
A.it contains more class intervals B.the values of the original data are retained C.the class midpoints are used as the stem D.the class midpoints are used as the leaf
The number of class intervals in a frequency distributi...
单项选择题The number of class intervals in a frequency distribution is usually between （）.
A.3 and 5 B.7 and 9 C.5 and 15 D.1 and 25
A cumulative frequency polygon is also called （）.A.an o...
单项选择题A cumulative frequency polygon is also called （）.
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
