medians
简明释义
n. [数]中位数（median 的复数）
英英释义
单词用法
正中神经 | |
正中线 |
同义词
反义词
例句
1.A study by Roy Adler, a professor at Pepperdine University in Malibu, California, tracked 215 Fortune 500 companies, comparing their financial performance to industry medians.
罗伊·阿德勒(RoyAdler)是位于加州马里布，佩波戴恩大学的教授，他的一项研究跟踪调查了财富500强中的215家，把他们的财政状况与行业中的中庸者们进行比较。
2.Each group of statistics are indicated with medians and quartiles;
各组内数据描述用中位数和四分位数表示；
3.The paper concludes with a discussion on design details regarding the width and opening of the green medians as well as the turn-lane configurations attached to the medians.
之后对绿化带式的中间分隔带宽度、开口型式以及转向车道的设置等设计细节问题进行了探讨。
4.The team began by collecting 100 specimens of 21 ant species that dwell across Manhattan - from sidewalks to medians, as well as parks.
该研究小组先后从人行道、主干道和公园里收集了在曼哈顿生活的21种蚂蚁构成的100个样本。
5.Anew high fidelity filtering algorithm (HFFA) using medians in moving window is proposed.
提出了一种采用中位数的滑动窗口滤波方法。
6.A study by Roy Adler, a professor at Pepperdine University in Malibu, California, tracked 215 Fortune 500 companies, comparing their financial performance to industry medians.
罗伊·阿德勒(RoyAdler)是位于加州马里布，佩波戴恩大学的教授，他的一项研究跟踪调查了财富500强中的215家，把他们的财政状况与行业中的中庸者们进行比较。
7.The data I cite are arithmetical averages, while, as Posner indicates, his data on household incomes are medians, or midpoints, of the distribution of household incomes.
我引用的只是数学计算的一个平均值，而波斯纳的数据却是家庭收入分配的中位数或者说中间点。
8.Built with safety in mind, the highways have wide lanes and shoulders, dividing medians, or barriers, long entry and exit lanes, curves engineered for safe turns, and limited access.
出于对安全因素的考虑，公路有宽阔的车道和路肩、中央分隔带、界限、长长的出入口车道、为安全转弯而设计的弯道，以及限定数量的入口。
9.In this paper it is proved that there exist neither right triangles nor isosceles triangles with integer sides and medians by the method of descending.
本文用逐步递降法的思想证明了不存在边长和中线都是整数的直角三角形和等腰三角形。
10.The teacher explained how to calculate the medians of different data sets.
老师解释了如何计算不同数据集的中位数。
11.To find the medians, you need to arrange the numbers in order first.
要找到中位数，你需要先将数字按顺序排列。
12.When analyzing test scores, it's important to consider the medians rather than just the averages.
在分析考试成绩时，考虑中位数而不仅仅是平均数是很重要的。
13.In statistics, medians are often used to summarize data that have outliers.
在统计学中，中位数常用于总结有异常值的数据。
14.The report indicated that the medians of income varied significantly across different regions.
报告指出，不同地区的收入中位数差异显著。
作文
In statistics, the term medians refers to a specific type of average that represents the middle value in a data set when it is organized in ascending or descending order. Understanding medians is crucial because they provide a better measure of central tendency in skewed distributions compared to the mean, which can be heavily influenced by outliers. For instance, if we consider the ages of a group of people: 20, 22, 23, 25, and 100, the mean age would be significantly higher due to the presence of the outlier (100 years old). However, the median age in this case would be 23, giving us a more accurate representation of the typical age within the group.The concept of medians can also be applied in various fields beyond statistics, such as economics, psychology, and even everyday decision-making. For example, in economics, the median income is often used to assess the economic health of a region because it is less affected by extreme values than the average income. This allows policymakers to understand the financial situation of the majority of the population rather than being misled by a few individuals with extraordinarily high incomes.Moreover, in psychology, researchers often use medians to analyze test scores or survey results. By focusing on the median, they can determine the central tendency of responses without being skewed by a few outliers who may have performed exceptionally well or poorly. This is particularly important in studies involving human behavior, where variability can be significant.In practical applications, understanding medians can aid in making informed decisions. For instance, when determining the price of a product, a business might look at the median price of similar products in the market rather than the average price. This approach helps them avoid pricing their product too high or too low based on outlier prices that do not reflect the majority of the market.Furthermore, in education, teachers often analyze students' test scores using medians to gauge overall class performance. By looking at the median score, they can identify whether most students are performing at an acceptable level, rather than being swayed by a few students who scored exceptionally high or low. This helps in tailoring teaching strategies to better meet the needs of the class as a whole.In conclusion, medians serve as a vital statistical tool that provides valuable insights across various domains. They help in accurately representing data, making informed decisions, and understanding trends without the distortion caused by extreme values. Whether in economics, psychology, or everyday life, the importance of medians cannot be overstated. Therefore, it is essential for students and professionals alike to grasp the concept of medians and apply it effectively in their respective fields. By doing so, they can enhance their analytical skills and make better-informed choices based on accurate representations of data.
在统计学中，术语medians指的是一种特定类型的平均值，它代表着在将数据集按升序或降序排列时的中间值。理解medians至关重要，因为它们提供了比均值更好的集中趋势测量，特别是在偏态分布中，因为均值可能会受到极端值的严重影响。例如，如果我们考虑一组人的年龄：20岁、22岁、23岁、25岁和100岁，由于存在极端值（100岁），所以平均年龄会显著提高。然而，在这种情况下，medians年龄为23岁，更准确地反映了该组的典型年龄。medians的概念还可以应用于统计学以外的多个领域，如经济学、心理学，甚至日常决策。例如，在经济学中，median收入通常用于评估一个地区的经济健康状况，因为它不易受到极端值的影响。这使得政策制定者能够理解大多数人口的财务状况，而不是被少数几位收入异常高的人误导。此外，在心理学研究中，研究人员经常使用medians来分析测试分数或调查结果。通过关注medians，他们可以确定响应的集中趋势，而不受一些表现极为优异或极为糟糕的极端值的影响。这在涉及人类行为的研究中尤为重要，因为变异性可能非常显著。在实际应用中，理解medians可以帮助做出明智的决策。例如，在确定产品价格时，一家公司可能会查看市场上类似产品的median价格，而不是平均价格。这种方法帮助他们避免根据一些不反映市场大多数的极端价格来定价过高或过低。此外，在教育领域，教师通常使用medians来分析学生的考试成绩，以评估整体班级表现。通过观察medians分数，他们可以识别大多数学生是否表现达到可接受水平，而不是被几位得分极高或极低的学生所影响。这有助于调整教学策略，以更好地满足整个班级的需求。总之，medians作为一种重要的统计工具，在各个领域提供了宝贵的见解。它们帮助准确表示数据、做出明智的决策，以及理解趋势，而不受极端值造成的扭曲。无论是在经济学、心理学还是日常生活中，medians的重要性都不容小觑。因此，学生和专业人士都应掌握medians的概念，并在各自领域有效应用。通过这样做，他们可以增强分析能力，并基于数据的准确表示做出更明智的选择。
