percentile
简明释义
n. 百分位,百分位数
英英释义
A percentile is a measure used in statistics indicating the value below which a given percentage of observations in a group of observations falls. | 百分位数是统计学中使用的一个指标,表示在一组观察值中,低于该值的观察值所占的百分比。 |
单词用法
百分位得分 | |
百分位分布 | |
百分位系统 | |
百分位范围 | |
顶尖百分位 | |
较低百分位 | |
百分位比较 | |
标准化百分位 |
同义词
分位数 | The 90th percentile indicates that a score is higher than 90% of the data points. | 第90百分位数表示该分数高于90%的数据点。 |
反义词
例句
1.If your child is over the 85th percentile, it is important to address the problem quickly.
如果您的孩子所在位置超过85百分位,迅速解决该问题是十分重要的。
2.Children were considered normal weight if they came in below the 85th percentile on a measurement that considers weight in relation to height.
如果在身高与体重的关系结果来看的测量,小孩低于第85个百分比,小孩属于正常体重。
3.Overall these students rank in the 21st percentile on the tests—that is, they did worse than 79 per cent of all children taking the test.
这些考生的总体百分位排名占第21位。就是说,79%的应试儿童比他们考得好。
4.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。
5.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。
6.The more stringent a customer is on each user's experience, the higher the percentile target to be considered.
客户对用户经验的要求越高,考虑的百分比目标越高。
7.The company aims to keep its employee salaries in the 80th percentile of the industry standard.
公司旨在将员工薪资保持在行业标准的第80百分位。
8.In the recent health survey, participants in the 50th percentile had an average BMI of 24.
在最近的健康调查中,第50百分位的参与者平均BMI为24。
9.The student scored in the 90th percentile, indicating he performed better than 90% of his peers.
这名学生的分数位于第90百分位,表明他的表现优于90%的同龄人。
10.To qualify for the scholarship, applicants must be in the top 25th percentile of their class.
为了获得奖学金,申请者必须在班级的前25百分位。
11.Her test results placed her in the 75th percentile for math skills.
她的考试成绩使她的数学能力位于第75百分位。
作文
Understanding the concept of percentile is crucial in various fields, especially in education and statistics. A percentile represents a value below which a given percentage of observations fall. For instance, if a student scores in the 90th percentile, it means they performed better than 90% of their peers. This metric provides a clear picture of an individual's performance relative to a larger group, making it an essential tool for assessment and evaluation.In educational settings, percentile ranks are often used to interpret standardized test scores. When students take a standardized test, their scores are typically compared to a norm group, which consists of a large number of test-takers. The results are then expressed in percentiles. This allows educators and parents to understand how a student's performance compares to that of other students. For example, if a student is in the 75th percentile, it indicates that they scored higher than 75% of the students who took the test. Such information can be instrumental in guiding future learning strategies and identifying areas that may require additional focus.Moreover, percentiles are not limited to academic performance; they are also widely used in health assessments. Pediatricians often use growth charts that display percentiles to monitor a child's growth over time. These charts indicate how a child's height and weight compare to those of other children of the same age and sex. If a child is in the 50th percentile for weight, it means that out of 100 children, 50 weigh less and 50 weigh more. This information helps healthcare providers identify potential health issues early on and provide appropriate interventions if necessary.In research and data analysis, percentiles serve as a valuable statistical tool. They allow researchers to summarize large datasets and understand the distribution of data points. For example, in a study examining income distribution, a researcher might report that the median income is in the 50th percentile, indicating that half of the population earns less than this amount. Similarly, reporting the 90th percentile income can highlight the earnings of the top earners in a dataset, providing insights into economic disparities within a population.Understanding percentiles can also aid individuals in setting personal goals. For instance, a runner might aim to finish a race in the top 25th percentile to achieve a competitive edge. By knowing their current performance level and comparing it to the percentile rankings of other runners, they can create a targeted training plan to improve their speed and endurance.In conclusion, the concept of percentile is a powerful tool for evaluating performance, monitoring health, and analyzing data. Whether in education, healthcare, or research, percentiles provide a meaningful context that allows individuals and professionals to make informed decisions. By grasping the significance of percentile rankings, one can gain a deeper understanding of their position relative to others and strive for improvement in various aspects of life.
理解percentile(百分位数)这一概念在各个领域中都是至关重要的,尤其是在教育和统计学中。percentile表示在给定的观察值中,有多少比例的观测值落在某个值以下。例如,如果一个学生的得分处于第90个percentile,这意味着他们的表现超过了90%的同龄人。这一指标清晰地展示了个体的表现相对于更大群体的情况,使其成为评估和评价的重要工具。在教育环境中,percentile排名通常用于解读标准化考试成绩。当学生参加标准化测试时,他们的得分通常与一个常模组进行比较,该组由大量考生组成。结果随后以percentiles的形式表达。这使得教育工作者和家长能够理解学生的表现与其他学生的比较。例如,如果一个学生在第75个percentile,这表明他们的得分高于参加考试的75%的学生。这些信息在指导未来的学习策略和识别可能需要额外关注的领域时非常重要。此外,percentiles不仅限于学业表现;它们也广泛用于健康评估。儿科医生通常使用显示percentiles的生长图表来监测儿童的生长情况。这些图表显示了儿童的身高和体重与同龄同性别其他儿童的比较。如果一个孩子的体重处于第50个percentile,这意味着在100个孩子中,有50个体重更轻,50个体重更重。这些信息帮助医疗提供者及早识别潜在的健康问题,并在必要时提供适当的干预。在研究和数据分析中,percentiles作为一种有价值的统计工具。它们使研究人员能够总结大型数据集并了解数据点的分布。例如,在一项研究收入分配的研究中,研究人员可能会报告中位数收入在第50个percentile,这表明一半的人口收入低于该金额。类似地,报告第90个percentile的收入可以突出数据集中最高收入者的收入,为了解人口内的经济差异提供见解。理解percentiles还可以帮助个人设定个人目标。例如,一个跑步者可能希望在比赛中完成在前25个percentile中,以获得竞争优势。通过了解他们当前的表现水平并将其与其他跑步者的percentile排名进行比较,他们可以制定有针对性的训练计划来提高速度和耐力。总之,percentile的概念是评估表现、监测健康和分析数据的强大工具。无论是在教育、医疗还是研究中,percentiles都提供了一个有意义的背景,使个人和专业人士能够做出明智的决策。通过掌握percentile排名的重要性,人们可以更深入地理解自己相对于他人的位置,并在生活的各个方面努力改进。