作者JoshReddick (贾许)
看板GMAT
标题[计量] PP-T1-DS-175
时间Sat Mar 14 12:43:07 2009
The sum of the integers in list S is the same as the sum of the integers in
list T. Does S contain more integers than T ?
(1) The average (arithmetic mean) of the integers in S is less than the
average of the integers in T.
(2) The median of the integers in S is greater than the median of the
integers in T.
答案 A
请问一下各位
sum=avg*个数
在avg和sum是正数的情况下，
avg越小，个数就越多，这部分没问题；
但若遇到sum<0情况时，情况会完全相反，
sum<0 必定avg<0
avg越小 个数就越少
这样有两种解释，是否还符合资料充分性吗??
--
※ 发信站: 批踢踢实业坊(ptt.cc)
◆ From: 140.113.97.181
1F：推 tecoteco:avg越小不代表个数越少 若考虑sum<0 则此题答案应该是E 03/15 19:48