The word " actual" means " real" or " true" .

“actual”这个词的意思是“真实的”或“真的”。

James, the British Geological Survey recorded 23.4 nanometres of movement in Edinburgh. What's that actually mean?

詹姆斯，英国地质调查局在爱丁堡记录了23.4纳米的运动。这其实意味着什么？

Actual means that something is real or true.

Actual是指某事是真实的或真实的。

And this is essentially our best sense of how many standard deviations away from the actual mean we are.

这基本上是我们对偏离实际平均值多少标准差的最佳感觉。

'Actual' means real or factual and it can also be used for emphasis but they are used in different positions within a sentence.

‘Actual’ 的意思是真的，也可以用来表示强调，但是它们在句子中使用的位置是不同的。

But in this case, your sample is kind of skewed, and the actual mean of the population is out here someplace.

但在这种情况下，您的样本有点偏斜，人口的实际均值在这里某处。

I'm just using that same data to come up with a 95% confidence interval for the actual mean emission for this new engine design.

我只是使用相同的数据为这种新发动机设计的实际平均排放量得出 95% 的置信区间。

We want a 99% chance that if we pick a sample from the sampling distribution of the sample mean, it will be within this many standard deviations of the actual mean.

我们希望有 99% 的机会，如果我们从样本均值的抽样分布中选择一个样本，它将在实际均值的这么多标准差范围内。

Let's sit out on that curb and measure what this variable is over a bunch of hours and then average it up, and that's going to be a pretty good estimator for the actual mean of our population.

让我们坐在路边，测量这个变量在几个小时内的变化，然后取平均值，这将是我们人口实际平均值的一个很好的估计。