Social studies test

This task is about reading information from box-and-whisker graphs.

Box-and-Whisker Graph of Marks for Social Studies Test


 

Four classes did the same social studies test. The box plots above show the marks the students got.
 
a) Which class had the student with ...
 
 
i)
 
ii)
 
the highest mark? ______________
 
the lowest mark? ______________
 
b) Which class had the lowest median mark? ______________
 
c) Which class had the smallest range of marks? ___________
 
d) Which class had the best overall performance?      ___________