variance

In particular, try to explain why the calculation of variance isn't just a matter of getting the average of all the individual variances.

特别注意：尽量解释为什么组合方差的计算不是该组合中所有单个资产方差的平均。

The estimated variance in the yield of apple and pear trees if the data in the database is only a sample of the total orchard population.

如果数据库中的数据只是整个果园的一个样本，那么此值是苹果树和梨树产量的估算方差。

With the age increasing, the incidence of positive and negative ulnar variance on increased, but that of the neutral variance decreased.

结果显示随着年龄的增长，尺骨变异出现正向和负向变异的比率增高，而中性尺骨变异的比率降低。

Nevertheless, the plan-and-track method is often applied to projects with high variance, usually with disappointing results.

尽管如此，计划及跟踪方法还经常应用于高方差的项目中，通常导致令人失望的结果。

The app would be very simple, it would have controls allowing the user to select the voice and speed, pitch, and variance of that voice.

这个应用程序将非常简单，它会控制，允许用户选择的声音和速度，音高，那声音和方差。

Alternatively, he might be suggesting that homosexual behaviour is at variance with that of the non-human world.

另一种情况是，教皇可能想表示，同性恋行为与人类以外的生物界是冲突的。

The district-attorney's persistence was visibly at variance with the sentiments of every one, of the public, of the court, and of the jury.

检察官这样坚持原议，显然是和每个旁听人、法庭的各个成员和陪审团的看法相反的。

You can use it to turn your variance measurement into a standard deviation measurement, as shown in Listing 8.

您可以利用此函数将您的样本方差计算转换为样本标准差计算，如清单8所示。

My theme today has been that perceptions may be at variance with reality, but it is often perceptions that drive financial markets.

这次演讲的重点是指出某些与现实不符的印象，但推动金融市场背后的力量往往就是一些所谓的印象。

It is often a burden and time consuming to perform an analysis of variance on the raw data obtained from product experiments.

在对某一产品停止实验后，依据原始数据停止方差剖析是件烦琐的任务，需求破费不少工夫。

How much are the world's leaders paid and is there a great variance between countries?

各国头头们的薪水状况何如呢？该行业薪水是不是比较平均呢？

A side effect of increasing genetic variance following disruptive selection is often greater genetic flexibility of the population.

经分裂选择后遗传变量增加的附带作用，往往使种群的遗传可塑性有所增加。

Striving and value commitment was an effective predictor of job satisfaction, which explained 59% of the total variance in job satisfaction.

价值承诺为工作满足感之有效预测因子，可解释总变异量59%。

If you are not preparing monthly variance reports (how much your actual expenses and income differ from what you projected) you should.

如果你每个月还没做差异报告（你的实际支出和你的预测相差值），你应该马上做。

This phenomenon, known as reduction of variance, implies that the end date may be achievable even if the actual plan cannot be followed.

此现象称作方差的减少（reductionofvariance），意思是最终日期是可以达到的，即使没能按照实际计划。

The variance analysis indicated that all the factors did not significantly influence flavonoids content in Eucommia rice wine.

方差分析表明，杜仲粉添加量、酒曲添加量、前发酵温度和后发酵温度对杜仲米酒中有效成分黄酮的影响均不显著。

From the number of pulses in a time interval, the moments, factorial moments, and Feynmann variance can be obtained.

从脉冲的时间间隔数，时刻，阶乘矩，费曼和方差可以得到。

He said: 'For the common prosocial obligations mechanism, additive genetic factors accounted for 48 per cent of the variance for females.

他说：“对于共有的社会义务，基因对与女性的影响所占比重达到48%。”

But the system variance is going to be on the order of the square root of N times epsilon.

但是系统能量的变化量大约，会是N的平方根乘以ε

But there was a wide variance in the estimates which ranged from predictions of no increase in prices at all to a 4. 4% increase.

但就具体的通胀幅度而言分歧较大，估计的范围从预计价格根本不会上涨到预计涨幅达4.