作业帮gmat数学疑问1、 in city x last April,was the average(arithmetic m
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gmat数学疑问
1、 in city x last April,was the average(arithmetic mean) daily high temperature greater than the median daily high temperature?
(1) in city x last April,the sum of the 30 daily high temperature was 2,160°
(2) in city x last April,60% of the daily high temperature were less than the average daily high temperature.
题目中的60%没有说是最前面那几天啊?有可能是前九天和九天,那怎么可以估计到中位数呢?
1、 in city x last April,was the average(arithmetic mean) daily high temperature greater than the median daily high temperature?
(1) in city x last April,the sum of the 30 daily high temperature was 2,160°
(2) in city x last April,60% of the daily high temperature were less than the average daily high temperature.
题目中的60%没有说是最前面那几天啊?有可能是前九天和九天,那怎么可以估计到中位数呢?
中位数按数字大小排序,和天数顺序无关.所以2就可以了.
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