NOTE: the size of the document being used for testing did not generate significant differences in average response times, but we did see greater variance in results.

注意：用于测试的文档的大小不会对平均响应时间产生很大的影响，但得出的结果有很大差别。

youdao

This example shows two chunks with the same length, variance, and average word length.

这个例子展示了两个拥有相同长度，方差和平均单词长度的chunks。

youdao

The technical definition of variance is the random variable's second central moment, the weighted average of the square of the differences from the expected value.

3方差的专业定义是随机变量的二次中心矩，与期望值之差的平方的加权平均值。

youdao

What separated life from death in their adventure was not the average, but the variance.

FORBES: South to the Pole: Leadership Wins the Race

Managing for the variance, instead of the average, is the outcome of great project leadership: a search for the best ideas, leadership thoughtfulness, ambitiousness, a passion for the job at-hand, the assemblage of the right skills, obsession with details, and unreasonableness in the attempt to get the most out of the talent assembled, are all attributes characteristic of great teams, and of great leaders.

FORBES: South to the Pole: Leadership Wins the Race

Its called a liquidity premium and its variance over time drives both difference in volatility and average return between investment vehicles.

FORBES: How a New Housing Bubble Could Develop