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
点击查看答案&解析
相关考题
-
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 -
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 -
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
