-and sometimes this is called a two column bar graph,because for each student here,you have two columns of data.So if you were to actually look at the data its self,you have the mid-term data and then the final exam data.Now,they are asking us,"which student's score improved the most between the mid-term and the final exams?"So,if we look at Jasmin right over here,might as well start with her since she might as well start with her since she is the most to the left.It looks like she definitely did improve from the mid-term to the final 