Q19:
Yesterday each of the 35 members of a certain task force spentsome time working on project P. The graph shows the number of hours and the number of members who spent that number of hours working on project P yesterday. What was the median number of hours that the members of the task force spent working on project P yesterday?
A. 2
B. 3
C. 4
D. 5
E. 6
SORRY,图片贴不出来。为什么答案是E?本题的意思是什么 |