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【OG20-P148-17题】
During a recent storm ,9 neighborhoods experienced power failures of durations 34,29,27,46,18,25,12,35,and 16 minutes ,respectively .For these 9 neighborhoods ,what was the median duration ,in minutes ,of the power failures ?
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从小到大排列:12,16,18,25,27,29,34,35,46
中位数是:27
题目讨论 (1条评论)

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赤木青帝
瞎了……这种题错了活该只能考790
1
0 回复 2019-12-08 21:19:12
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emily666回复赤木青帝
哈哈
0
0 回复 2020-03-10 00:24:14
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