[問題]gwd13-19

[小晃兄]

Yesterday each of the 35 members of a certain task force spent some 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

答案是E，請問怎麼算，謝謝。 附圖如下

[65kevin]

題目是說從這 35 個 members 中找出中位數的工作時數是多少, 35 個 members 的中位數是 18, 所以從圖中可找出第十八個人是落在工作 6 小時的那一群

[小晃兄]

謝謝 ^ ^