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- 2011-7-2
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- 2015-12-15
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| Where does question 43 comes from? I can't find the expanded formula in the CFAI books. At least not in SS8-27--a and b. I calculated it with the normal formula for standard deviation (weights, standard deviations, correlation), but the answer was wrong. |
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发表于 2011-7-11 20:04
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