There's also another variance measure, which we use in the sample-- There's also another variance measure, which is for the sample.
还有另一个离散指标,我们用以考察样本,这是另一个离散指标,用于考察样本
Suppose that in a given year--and say this is minus five and this is plus five, this is minus five and this is plus five-- suppose that in the first year in our sample, the company Shiller, Inc. and the market both did 5%.
假设某一年...这里设为-5,这里+5,这是-5,这是+5,我们假设第一年中,希勒公司.和市场都获利5%
I'm sure some of you have dealt with electrophoresis gels in the past and it's really just a slab of something like Jell-O where you can put a sample at one end of the Jell-O, your sample of fragmented DNA.
我相信在座肯定有些已经接触过电泳凝胶,真的挺像一块板状果冻的,你可以把一段样本放在"果冻"的一端,你的DNA片段样本
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