median
简明释义
adj. 中间值的，中位数的；在中间的，通过中点的；（主剖）正中的，中间的
n. 中位数；（三角形的）中线；梯形中位线；（道路的）中央分隔带，中央分道区（=median strip）
n. （Median）（美、罗马尼亚、西）梅迪安（人名）
复 数 m e d i a n s
英英释义
单词用法
正中神经 | |
正中线 |
同义词
反义词
例句
1.The median U.S. home will decline sharply priced in silver.
美国房屋价格中位数以白银计价将大幅下跌。
2.The median pay for chief executives of S&P 500 companies fell 6.8% in 2008.
标普500公司首席执行官的薪酬中位值在2008年下降了6.8个百分点。
3.The median entry-level condo in California sold for $360,160.
加州处在准入级别的公寓的中间价也要卖到360 160美元。
4.Median household income for renters: $28,400
租赁者家庭收入中位数：$28,400
5.We can apply Stewart's theorem directly to the median of a triangle.
我们可以把斯图尔特定理直接应用于三角形的中线上。
6.Obviously, the median language has enormous momentum.
很明显，中间的语言族有着巨大的惯性。
7.The median age of hospitalized patients in California was 27.
加州就诊患者的年龄中值为27岁。
8.I performed each test seven times and used the median result.
每个测试执行了七次，并使用中间结果。
埃及的中值年龄是24岁。
10.In statistics, the median is often preferred over the mean because it is less affected by outliers.
在统计学中，中位数通常比均值更受欢迎，因为它不易受到极端值的影响。
11.When analyzing test scores, the median can give a better sense of typical performance than the average.
在分析考试成绩时，中位数可以比平均值更好地反映典型表现。
12.To find the median of a data set, you must first arrange the numbers in order.
要找到一个数据集的中位数，首先必须将数字按顺序排列。
13.The median income in this city is higher than the national average.
这个城市的中位数收入高于全国平均水平。
14.The median age of the participants in the study was 35 years.
研究参与者的中位数年龄为35岁。
作文
In the field of statistics, understanding various measures of central tendency is crucial for data analysis. One of the most important measures is the median, which represents the middle value in a dataset when it is arranged in ascending or descending order. Unlike the mean, which can be heavily influenced by outliers, the median provides a more robust measure that accurately reflects the center of the data. For instance, consider a set of numbers: 1, 3, 3, 6, 7, 8, 9. When these numbers are ordered, the median is 6, as it is the fourth number in this seven-number list. If we were to add an outlier, such as 100, the mean would increase significantly, but the median would remain unchanged at 6. The significance of the median extends beyond simple numerical datasets. In real-world applications, it is often used in fields such as economics, medicine, and social sciences to analyze data sets. For example, when assessing household incomes in a city, the median income is often reported rather than the mean income. This is because the presence of extremely high incomes can skew the mean, leading to a misleading representation of the typical income level. By focusing on the median, policymakers can gain a clearer picture of the economic situation affecting the majority of households.Moreover, the median can also be utilized in various types of data visualizations. Box plots, for instance, display the median as a line within the box, providing a visual representation of how data is distributed around this central point. This allows for easy identification of whether the data is skewed or symmetrical. Understanding the median helps analysts and researchers interpret data more effectively, leading to better-informed decisions.In conclusion, the median is a fundamental concept in statistics that plays a vital role in data analysis across numerous fields. Its ability to provide a stable measure of central tendency, unaffected by extreme values, makes it an essential tool for researchers and decision-makers alike. By incorporating the median into their analyses, individuals can ensure they are capturing a true reflection of the data at hand, ultimately leading to more accurate insights and conclusions.
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。其中一个最重要的度量是中位数，它代表了在按升序或降序排列的数据集中间的值。与可能受到极端值严重影响的均值不同，中位数提供了一种更稳健的度量，准确反映数据的中心。例如，考虑一组数字：1、3、3、6、7、8、9。当这些数字被排序时，中位数是6，因为它是这组七个数字中的第四个。如果我们添加一个极端值，比如100，均值将显著增加，但中位数仍将保持不变，为6。中位数的重要性超越了简单的数字数据集。在现实应用中，它常用于经济、医学和社会科学等领域来分析数据集。例如，在评估一个城市的家庭收入时，通常报告的是中位数收入，而不是均值收入。这是因为极高收入的存在可能会扭曲均值，导致对典型收入水平的误导性表现。通过关注中位数，政策制定者可以更清晰地了解影响大多数家庭的经济状况。此外，中位数也可以用于各种类型的数据可视化。例如，箱线图显示了中位数作为箱子内的一条线，提供了围绕这一中心点数据分布的视觉表示。这使得识别数据是偏斜还是对称变得容易。理解中位数帮助分析师和研究人员更有效地解释数据，从而做出更明智的决策。总之，中位数是统计学中的一个基本概念，在各个领域的数据分析中发挥着重要作用。它提供了一种稳定的集中趋势度量，不受极端值的影响，使其成为研究人员和决策者的重要工具。通过将中位数纳入他们的分析中，个人可以确保捕捉到手头数据的真实反映，最终导致更准确的见解和结论。
