In this paper, the bias of the ratio estimator and the estimate of mean square errors of this estimator with known numerator have been compared and discussed.

给出了分子已知情况下比率估计量的偏差和均方误差以及均方误差的估计，并对两类比率估计量进行了比较。

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A point estimate for the mean of the execution time is 102.570 milliseconds.

执行时间的平均估值点是102.570毫秒。

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Researchers estimate that the accelerating flow of glaciers in West Antarctica is contributing about 10% of the observed rise in the mean global sea level.

研究人员估计，西南极洲冰川的加速流动在已观测到全球平均海平面上升中所起的作用约占10％。

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The company reported quarterly earnings of 16 cents a share (before a 3-cent deduction for stock compensation) versus the mean estimate of 10 cents.

FORBES: Pleasant Surprises

In a 2012 update, the USGS put the mean undiscovered estimate of recoverable oil in Russia's Arctic provinces alone at 28 billion barrels, plus about 27 trillion cubic meters of gas.

CNN: China eyes Arctic options in energy, transport

The population does mean you get a more precise estimate of BMI simply by averaging over large numbers.

BBC: BMI: Does the Body Mass Index need fixing?