gmat數(shù)學(xué)疑問
gmat數(shù)學(xué)疑問
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.
題目中的60%沒有說是最前面那幾天啊?有可能是前九天和九天,那怎么可以估計到中位數(shù)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.
題目中的60%沒有說是最前面那幾天啊?有可能是前九天和九天,那怎么可以估計到中位數(shù)呢?
其他人氣：417 ℃時間：2020-06-03 15:25:34
優(yōu)質(zhì)解答
中位數(shù)按數(shù)字大小排序,和天數(shù)順序無關(guān).所以2就可以了.
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