The class? represent the minimum and maximum values for each class of a frequency distribution using grouped quantitative data

The answer is boundary.

Class boundary separates one class to another in a grouped frequency distribution. The lower class boundary is obtained by subtracting 0.5 units from the lower class limit and the upper class boundary is found by adding 0.5 units to the upper class limit.

step-by-step explanation:

the options are kind of confusing. i can tell you what i see going on here when i look at the graph.

the class and exam medians are closely related, and it looks like the low outlier on the exam did pull the median lower. [tex][/tex]

c: lkllmn.

hope it's you