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GWD13-19

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

为什么答案是E呢?

我觉得应该是A呀

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没图,不知道,做这个题目,先排序,在求中位数。
把所有的困苦都看做是有意义的,是生命对你的磨练,也许,是为了让你成大事而做准备。

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图的对应如下:

9 4 1 2 1 8 10 (numbers)

1 2 3 4 5 6 7 (hours)

It is not only a test! It is Beyond GMAT!
Robert Zhou
http://weibo.com/irobert

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偶明白了。谢谢!

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