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公式里2不應(yīng)該吧,題目里沒(méi)有乘以?xún)蓚€(gè)2,謝謝
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你好,只有一個(gè)相關(guān)系數(shù)2。
2020 11/27 16:08
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84785038 
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2020 11/27 16:11
這個(gè)2啥意思?
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大劉老師 
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2020 11/27 16:16
兩項(xiàng)證券資產(chǎn)1和2彼此的相關(guān)系數(shù)。
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大劉老師 
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2020 11/27 16:16
是下角標(biāo),并不是代表乘以2。
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