问题描述：
这是一道统计学的英文数学题,因为我真的看不懂
Instead of wanting to know what percent of the data falls into a particular class,we often want to
know what percent falls below a certain value.To make this possible,we will compute the
cumulative relative frequency for each class,which is the sum of the relative frequency of that class
and all the classes below it.
Exam Score frequency relative freq.cumulative r.f.
0-
Instead of wanting to know what percent of the data falls into a particular class,we often want to
know what percent falls below a certain value.To make this possible,we will compute the
cumulative relative frequency for each class,which is the sum of the relative frequency of that class
and all the classes below it.
Exam Score frequency relative freq.cumulative r.f.
0-
问题解答：
我来补答展开全文阅读