so all of these things with addition of the deviation of the policy, personnel and material to Iraq, led to the turnanoud.

所有这些事情加上政策，人员，物资向伊拉克的转移，使得局势有了改变。

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Let's suppose that all of them are the same-- they all have the same standard deviation.

我们假设这些资产的收益率标准差-,均相等。

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People have more vivid memories of the colorful, Super Bowl Shuffling 1985 Bears (also 15-1 with a second-best all time standard deviation of 2.10), because that club was a one-year wonder that never got back to a Super Bowl.

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The standard deviation is calculated from all of the individual deviations of the data points.

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All are less than a full standard deviation above the mean.

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