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[EDIT]
Top quartile is not the top 5 returns, but rather the top 5.25 returns.
2 top quartiles are the first 10.5 returns
3 top quartiles are the first 15.75 returns [where your 75th percentile (bottom)starts]
4th quartile is the remaining 4.25 returns |
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发表于 2011-7-11 20:10
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