PREP PS183求助

ursula_1

83.   9589-!-item-!-187;#058&006669
   B
   C

The table above shows the distribution of test scores for a group of management trainees.  Which score interval contains the median of the 73 scores?
   
                        

  
         

  
         

(A) 60-69

(B) 70-79

(C) 80-89

(D) 90-99

(E) It cannot be determined from the information given.

请教大牛，我一点思路也没有啊，谢谢

[此贴子已经被作者于2009-4-29 20:52:07编辑过]

ursula_1

我好无奈啊，表格弄不上来