[求助]GWD 13-19

Q19:E

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

Answer:

求解题方法。

http://forum.chasedream.com/dispbbs.asp?BoardID=22&ID=126441&replyID=&skin=1

Please search for existing discussions before you post your questions!

http://forum.chasedream.com/dispbbs.asp?boardID=22&ID=128922&page=1