Because scoring is now based on a statistical population distribution among age peers, rather than simply dividing the mental age by the chronological age and multiplying by 100.
因为现在分数计算是以同龄群体在统计学意义上的人口分布为基础的,而不是简单地用智力年龄除以生理年龄再乘以 100。
单词 | Statistical population |
释义 |
Statistical population
原声例句
历年考研英语阅读真题(英语一) Because scoring is now based on a statistical population distribution among age peers, rather than simply dividing the mental age by the chronological age and multiplying by 100. 因为现在分数计算是以同龄群体在统计学意义上的人口分布为基础的,而不是简单地用智力年龄除以生理年龄再乘以 100。 1997-2009年考研英语历年真题(阅读部分) 13Superhigh scores like vos Savant's are no longer possible, because scoring is now based on a statistical population distribution among age peers, rather than simply dividing the mental age by the chronological age and multiplying by 100. 13 像 vos Savant 那样的超高分已经不再可能,因为现在的评分是基于同龄人之间的统计人口分布,而不是简单地将心理年龄除以实际年龄并乘以 100。
中文百科
总体总体,又译母体。是指统计学中是指由许多有某种共同性质的事物组成的集合,会在此集合中选出样本进行统计推断,选采样本的方式可能会用乱数或是其他抽样方式。 例如要针对所有乌鸦的共有特性进行研究,总体是目前存在、以前曾经存在或是未来可能存在的所有乌鸦,此情形下,因为时间的限制、地域可取得性的限制、以及研究者的有限资源等,不可能观测总体中的每一个,因此研究者会从总体中产生样本,再由样本的特性去了解总体的特性。 产生样本的目的之一就是为了要知道总体的特性,包括
英语百科
Statistical population 总体In statistics, a population is a set of similar items or events which is of interest for some question or experiment. A statistical population can be a group of actually existing objects (e.g. the set of all stars within the Milky Way galaxy) or a hypothetical and potentially infinite group of objects conceived as a generalization from experience (e.g. the set of all possible hands in a game of poker). A common aim of statistical analysis is to produce information about some chosen population. |
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