mean length

简明释义

平均长度

英英释义

例句

1.The mean length of the novels published last year has decreased compared to previous years.

与往年相比，去年出版的小说的平均长度有所减少。

2.In our study, the mean length of the text messages sent was about 150 characters.

在我们的研究中，发送的短信的平均长度大约是150个字符。

3.The mean length of the fish caught in the lake was surprisingly high this year.

今年在湖里捕获的鱼的平均长度令人惊讶地高。

4.Researchers calculated the mean length of the participants' responses in the survey.

研究人员计算了调查中参与者回答的平均长度。

5.For the experiment, we need to know the mean length of the wires used.

对于这个实验，我们需要知道所用电线的平均长度。

作文

In the field of statistics, understanding various measures of central tendency is crucial for data analysis. One such measure is the mean length, which refers to the average length of a set of items or data points. The calculation of the mean length involves summing up all the lengths in the dataset and dividing that total by the number of items. This concept can be applied in various contexts, such as measuring the average length of words in a text, the average duration of songs in a playlist, or even the average height of individuals in a population.For instance, consider a classroom where students are asked to write a short essay. If we take the lengths of these essays, we can compute the mean length to understand how lengthy the students' responses are on average. Suppose five students wrote essays with the following word counts: 250, 300, 200, 400, and 350 words. To find the mean length, we first add these numbers together:250 + 300 + 200 + 400 + 350 = 1500 words.Next, we divide this total by the number of essays, which is 5:1500 ÷ 5 = 300 words.Thus, the mean length of the essays is 300 words. This information can provide insights into the writing habits of the students and help educators gauge whether the assignments are appropriately challenging.In another scenario, let’s say we want to analyze a collection of poetry. Poets often vary their line lengths, and examining the mean length of the lines can reveal stylistic choices. For example, if we have a poem consisting of lines with the following lengths (in syllables): 8, 10, 6, 12, and 9, we would calculate the mean length as follows:8 + 10 + 6 + 12 + 9 = 45 syllables.Dividing by the number of lines, which is 5, gives us:45 ÷ 5 = 9 syllables.The mean length of the lines in this poem is 9 syllables, suggesting a moderate rhythm that may appeal to readers.Understanding the mean length is not just limited to academic settings; it is also applicable in various industries. For instance, in manufacturing, companies may want to ensure that the parts they produce meet certain specifications. By calculating the mean length of components, they can determine if their production processes are consistent and within acceptable limits. If a factory produces bolts that should be 10 cm long, but the mean length of the produced bolts is significantly different from this target, it could indicate a problem in the manufacturing process that needs to be addressed.In conclusion, the concept of mean length serves as a vital tool across different fields, from education to industry. It provides a simple yet effective way to summarize data, allowing for better decision-making and analysis. Whether we are assessing student performance, analyzing poetic structure, or ensuring quality in production, the mean length offers valuable insights that can lead to improved outcomes and understanding.

在统计学领域，理解各种集中趋势的度量对于数据分析至关重要。其中一个度量是mean length，它指的是一组项目或数据点的平均长度。计算mean length涉及将数据集中的所有长度相加，然后将总和除以项目的数量。这个概念可以应用于多种上下文，例如测量文本中单词的平均长度、播放列表中歌曲的平均时长，甚至是一个人群中个体的平均身高。例如，考虑一个课堂，学生被要求写一篇短文。如果我们取这些短文的长度，我们可以计算出mean length来了解学生的回答在平均上有多长。假设五名学生写的短文字数分别为：250、300、200、400和350字。要找到mean length，我们首先将这些数字相加：250 + 300 + 200 + 400 + 350 = 1500字。接下来，我们将这个总数除以短文的数量，即5：1500 ÷ 5 = 300字。因此，短文的mean length为300字。这些信息可以提供对学生写作习惯的洞察，并帮助教育工作者评估作业是否适当具有挑战性。在另一个场景中，假设我们想分析一首诗的集合。诗人经常改变他们的行长度，检查行的mean length可以揭示风格选择。例如，如果我们有一首诗，其行的长度（以音节计）如下：8、10、6、12和9，我们将按如下方式计算mean length：8 + 10 + 6 + 12 + 9 = 45音节。将其除以行数，即5，给我们：45 ÷ 5 = 9音节。这首诗的行的mean length为9音节，暗示着一种适中的节奏，可能会吸引读者。理解mean length不仅限于学术环境；它还适用于各个行业。例如，在制造业，公司可能希望确保他们生产的零件符合某些规格。通过计算组件的mean length，他们可以确定他们的生产过程是否一致并在可接受的范围内。如果一家工厂生产的螺栓应该是10厘米长，但生产的螺栓的mean length与此目标显著不同，这可能表明需要解决制造过程中的问题。总之，mean length的概念在不同领域中作为一种重要工具，从教育到工业。它提供了一种简单而有效的方式来总结数据，从而允许更好的决策和分析。无论我们是在评估学生表现、分析诗歌结构，还是确保生产质量，mean length都提供了有价值的见解，可以导致更好的结果和理解。