GMAT考题：OG2017Q-PS-62

GMAT考题

If S = {0, 4, 5, 2, 11, 8}, how much greater than the median of the numbers in S is the mean of the numbers in S ?

0.5

1.0

1.5

2.0

2.5

毕出

题目分析：

首先把集合 S 按照大小顺序排列 S= {0, 2, 4, 5, 8, 11}, 中位数=(4+5)/2=4.5;算术平均数=(0+2+4+5+8+11)/6=5;中位数与平均数之间的差异=5-4.5=0.5.

综上:答案就是 A.

登录或注册后可以参加讨论

查看全部5条讨论