有两支股票分别为a与b,其过去十个月来每月平均股价分别为25.2,27.8,35.6,45.9,36.9,55.8,26.8,27.9,51.4,45.6与101.5,124.2,116.5,119.7,198.7,131.5,128.4,88.5,98.7,123.5。试问何者
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2024-12-02 02:41:07
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有两支股票分别为a与b,其过去十个月来每月平均股价分别为25.2,27.8,35.6,45.9,36.9,55.8,26.8,27.9,51.4,45.6与101.5,124.2,116.5,119.7,198.7,131.5,128.4,88.5,98.7,123.... 20210311