This is important, because it shows that looking at just the average is not enough, especially if your standard deviation is a large number.

这是很重要的，因为它说明了，仅查看平均值是不够的，特别是当您的标准偏差非常大的时候。

youdao

What the standard deviation really tells you is that some set of users were + or - the test average (or arithmetic mean).

标准偏差真正能够告诉您的是，某些用户是高于还是低于平均测试水平(或者算术含义)。

youdao

The selections of 150 for dimensional parameters and 4000 for the total deviation are designed to acquire the typical shaking motions of an average user.

空间参数选择150及总偏差选择4000都旨在检测一般用户的典型震动动作。

youdao

7% 77% is class average and the standard deviation was 17% so you can see where things lie. 50% is a pass.

7是平均水平，标准偏差是%,这就是事情所在，50%就及格。

麻省理工公开课 - 固态化学导论课程节选

And when we're talking about the amplitude of the wave, we're talking about the deviation from that average level. So, if we define the average level as zero, you can have either a positive amplitude or a negative amplitude.

当我们讨论一个波的振幅时,我们说的是偏离平均位置的量,如果我们把平均位置,定义为零的话，那幅值不是,正的就是负的，有时候人们在。

麻省理工公开课 - 化学原理课程节选

Thus, a reading above 50% for bullish sentiment would be one standard deviation above average and a reading of 41% for bearish sentiment would be one standard deviation above the average.

FORBES: How Much Should You Rely On Sentiment Surveys?

Bearish sentiment is back to being more than one standard deviation above average, making it unusually high, but not extraordinarily so.

FORBES: AAII Survey: Bullish Sentiment Stays Below Historical Average

Bullish sentiment is just slightly above one standard deviation from the historical average and bearish sentiment is within one standard deviation.

FORBES: Why Is Bullish Sentiment Near Two And A Half Year High?