percentiles

简明释义

英[pəˈsɛntaɪlz]美[pərˈsɛnˌtaɪlz]

n. [数][统计]百分位数值；[数][统计]百分位数（percentile 的复数形式）

英英释义

单词用法

同义词

反义词

例句

1.The service offers a point system for tests and games, and displays student scoring in terms of community testing percentiles.

这项服务还提供了一个测试和游戏的积分系统，并能显示出考生得分在群体中占第多少个百分位。

2.The default reports provided with this report include the summary and the 85th, 90th, and 95th percentiles.

它所提供的默认报告包括概要和85th、90th以及95th百分点。

3.Doctors use the different percentiles on a chart to decide whether teenagers or children are underweight or overweight.

医生通过图表中不同的百分点，来判断青少年的体重是过重还是过轻。

4.The median age was 61 years (25th and 75th percentiles, 56 and 68 years), and 80% of patients were male.

年龄中位数为61岁（第25和第75百分位数，56及68岁），和80 ％的患者都是男性。

5.With the tools provided by UG, we can easily produce body models in different percentiles.

运用UG提供的参数化实现工具能够方便地动态生成不同百分位的人体模型。

6.By default, a percentile report shows the 85th, 90th, and 95th percentiles.

默认条件下，一个百分比报告显示了85th, 90th与95th百分比。

7.Your child is considered overweight if he or she falls in the 85th to 94th percentiles of the B.M.I. growth charts, and obese if he is in the 95th percentile or higher.

如果您的孩子在体重指数增长表中属于第85至第94百分位，她（她）将会被认为是超重的；如果他（她）位于95百分位或者更高，她（她）将会被认为是肥胖。

8.You can create the relationship between percentiles and page response time so that it gives you the assurance that 85% of the pages were responded to in a specific time.

您能够创建百分点和页面响应时间之间的关系，以便它为您提供保障85%的页面能够在指定时间内被响应。

9.By associating the percentile with a page, data can be gathered at each page level to identify the page behavior at each of those key percentiles.

通过关联百分点和页面，数据能够在每个页面级别上被集合以识别那些关键百分点的页面行为。

10.In the recent study, students' test scores were analyzed using different percentiles 百分位数 to determine their performance levels.

在最近的研究中，学生的考试成绩通过不同的percentiles 百分位数进行分析，以确定他们的表现水平。

11.The doctor explained that your child's height is in the 75th percentile 百分位数, which means they are taller than 75% of their peers.

医生解释说，你孩子的身高在第75percentile 百分位数，这意味着他们比75%的同龄人更高。

12.To evaluate the effectiveness of the new program, we will look at the percentiles 百分位数 of participant outcomes.

为了评估新项目的有效性，我们将查看参与者结果的percentiles 百分位数。

13.The report showed that the average income falls within the 50th percentile 百分位数 of the population.

报告显示，平均收入位于人群的第50percentile 百分位数。

14.When analyzing the data, we found that only a small percentage of participants fell below the 10th percentile 百分位数.

在分析数据时，我们发现只有一小部分参与者低于第10percentile 百分位数。

作文

Understanding the concept of percentiles is crucial in various fields, especially in statistics, education, and healthcare. A percentile is a measure used in statistics that indicates the value below which a given percentage of observations in a group of observations falls. For example, if a student scores in the 90th percentile on a test, it means that the student performed better than 90% of the other test-takers. This statistical tool helps us to understand how an individual or a specific score compares to a larger population.In educational settings, percentiles are often used to evaluate student performance. Standardized tests frequently report scores in terms of percentiles. This allows educators and parents to gauge a student's academic standing relative to their peers. For instance, if a student’s reading score is in the 75th percentile, it suggests that the student has performed better than three-quarters of the students who took the same test. This information can be vital for making decisions about interventions, curriculum adjustments, or identifying students who may need additional support.Moreover, in healthcare, percentiles play a significant role in assessing growth patterns in children. Pediatricians often use growth charts that display percentiles for height, weight, and body mass index (BMI). A child who is in the 50th percentile for height is taller than 50% of children of the same age and gender. These percentiles help doctors identify potential health issues early on. For example, if a child's growth falls below the 10th percentile, it might indicate undernutrition or other health problems that require further investigation.The interpretation of percentiles can also extend beyond simple comparisons. In research, percentiles can help in understanding the distribution of data points. For instance, in a study analyzing income distribution, researchers may find that the top 10% of earners fall within the 90th percentile and above. This information can be crucial for policymakers who aim to address income inequality.Additionally, in the field of psychology, percentiles are often used in interpreting scores from psychological assessments. For example, if a person’s score on a personality test is in the 30th percentile, it implies that they scored lower than 70% of the individuals who took the test. This can provide insights into an individual’s traits compared to a normative sample, aiding psychologists in their evaluations.In conclusion, percentiles serve as a powerful statistical tool that aids in comparing individual scores to a larger population. Whether in education, healthcare, research, or psychology, understanding percentiles can provide valuable insights and inform decision-making processes. They allow us to contextualize data, make informed choices, and ultimately improve outcomes in various domains. As we continue to gather and analyze data in our increasingly data-driven world, the importance of understanding percentiles will only grow, making it an essential concept for anyone involved in data analysis or interpretation.

理解百分位数的概念在各个领域都至关重要，尤其是在统计学、教育和医疗保健中。百分位数是统计学中使用的一种度量，表示在一组观察值中，给定百分比的观察值低于该值。例如，如果一名学生在考试中得分处于第90百分位数，这意味着该学生的表现优于90%的其他考生。这一统计工具帮助我们理解个人或特定得分与更大人口的比较。在教育环境中，百分位数通常用于评估学生的表现。标准化考试通常以百分位数报告分数。这使得教育工作者和家长能够衡量学生相对于同龄人的学业水平。例如，如果一名学生的阅读分数处于第75百分位数，这表明该学生的表现优于参加同一考试的四分之三的学生。这些信息对于做出干预、课程调整或识别需要额外支持的学生的决策至关重要。此外，在医疗保健中，百分位数在评估儿童的生长模式方面发挥着重要作用。儿科医生经常使用显示身高、体重和身体质量指数（BMI）百分位数的生长图表。一个身高处于第50百分位数的孩子比同年龄和性别的50%的孩子要高。这些百分位数帮助医生及早识别潜在的健康问题。例如，如果一个孩子的生长低于第10百分位数，这可能表明营养不良或其他需要进一步调查的健康问题。对百分位数的解释也可以超越简单的比较。在研究中，百分位数可以帮助理解数据点的分布。例如，在分析收入分配的研究中，研究人员可能发现，收入最高的10%的人属于90百分位数及以上。这一信息对于旨在解决收入不平等问题的政策制定者来说至关重要。此外，在心理学领域，百分位数通常用于解释心理评估的分数。例如，如果一个人在个性测试中的得分在第30百分位数，这意味着他们的得分低于70%参加测试的个体。这可以为心理学家在评估时提供关于个体特征的见解，帮助他们进行评估。总之，百分位数作为一种强大的统计工具，有助于将个体得分与更大人群进行比较。无论是在教育、医疗、研究还是心理学中，理解百分位数都可以提供有价值的见解并为决策过程提供信息。它们使我们能够对数据进行上下文化，使我们能够做出明智的选择，并最终改善各个领域的结果。随着我们在日益数据驱动的世界中继续收集和分析数据，理解百分位数的重要性只会增加，这使其成为任何参与数据分析或解释的人的基本概念。