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单词 Mean average
释义

Mean average

原声例句
2009 ESLPod

" Mediocre" means average, not very good, nothing special about it.

“平庸”的意思是一般,不是很好,没有什么特别之处。

历年英语六级听力真题(含译文)

Well, " doing well" means averaging £1,200 or more a week for about 7 years, making almost a quarter of a million pounds.

" 经营不错" 意味着大致7年内平均每周收入1200英镑或更多,几乎达到了25万英镑。

梦幻橄榄球手

And if he doesn't get a touchdown, I mean, right now he's averaging 5.7 fantasy points game.

如果他没有达阵,我的意思是,现在他场均得分为 5.7 分。

梦幻橄榄球手

He's getting opportunities. I mean even including the injury game he's averaging nearly five targets a game.

他正在获得机会。我的意思是,即使包括伤病比赛在内,他场均进球也接近五个。

梦幻橄榄球手

It's so bizarre because he's out there for all the snaps. I mean 80% of snaps the last two weeks he's averaging 83% on the season and he's just not getting targets.

这太奇怪了,因为所有的照片都是他在场。我的意思是,在过去两周的 80% 抢断中,他本赛季的平均命中率为 83%,但他只是没有达到目标。

中文百科

算术平均数 Arithmetic mean

(重定向自Mean average)

算术平均数(Arithmetic mean)是表征数据集中趋势的一个统计指标。 它是一组数据之和,除以这组数据个数/项数。

算术平均数在统计学上的优点,就是它较中位数、众数更少受到随机因素影响, 缺点是它更容易受到极端值影响。

计算公式为:

\bar{x} = \frac{\sum_{i=1}^n x_i}{n} = \frac{x_1 + x_2 + \cdots + x_n}{n}

在统计学中,对样本的平均值用 \bar{x} 表示,对母体数据的平均值用 \mu 表示。 样本平均数可作为母体平均数的一个不偏估计式.

英语百科

Arithmetic mean 算术平均数

(重定向自Mean average)
Comparison of mean, median and mode of two log-normal distributions with different skewness.
Construcción geométrica para hallar las medias aritmética (A), cuadrática (Q), geométrica (G) y armónica (H) de dos números a y b.

In mathematics and statistics, the arithmetic mean (/ˌærɪθˈmɛtɪk ˈmn/), or simply the mean or average when the context is clear, is the sum of a collection of numbers divided by the number of numbers in the collection. The collection is often a set of results of an experiment, or a set of results from a survey. The term "arithmetic mean" is preferred in some contexts in mathematics and statistics because it helps distinguish it from other means, such as the geometric mean and the harmonic mean.

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更新时间:2025/6/23 6:25:50