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图没有弄下来就手写吧 有9个人花一个小时 以此类推 4人2 1人3 2人4 1人5 8人6 10人7 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 我算的最后是5+6/2 =5.5 但是没有结果啊 好心人帮我计算一下吧 |
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