简介：说明（1）总体是指考察对象的全体；总体中的每全个对象叫做个体；从总体中抽取的一部分个体叫做总体的一个机关报本；样本的个数叫做样本容量。解这类题的关键是能区别总体、个体、样本、样本容量这四个不同的概念，在具体问题中要善于抓住考察的对象的数量指标。

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简介：张瑞敏说：“创新是世界级自主品牌的灵魂，海尔制胜的法宝就是不断地创新，不断地创新实际上就是对品牌的无形保护!”

简介：一、引言总体和样本是数理统计中最基本的两个概念,而均数检验则是与之密切相关的一种统计方法,它通过样本提供的信息来判断两个总体均数是否相等。几乎所有的体育统计教材都对总体和样本作了介绍,虽然措词不尽相同,但基本含意都是“需要研究的同质对象的全体称为总体,用以推测总体的部分对象称为样本。”但是体育统计除了具有数理统计的共性外,还具有体育领域的个性。体育领域中的总体随着研究问题的不同而具有很大的差异,然而,在笔者的接触范围内,尚未见到对各种不同情况下的总体和样本作出具体解释

简介：采用回归分析法研究足长与身高间的相互关系及变化规律,在实践中具有极高的应用价值.

简介：样本量的确定是抽样设计中的一个重要的组成部分，样本量的确定并不存在一种万能的解答和完美的处方，事实上，它是一个在多种约束条件下进行折衷的过程。我从三个方面来阐述这个问题。

简介：介绍了鉴定人要从认识伪装笔迹的特点、详细了解案情入手,在做好嫌疑书写人的思想工作、反复让嫌疑书写人书写"有关"笔迹的基础上,在嫌疑书写人正在书写样本笔迹时现场识别伪装样本笔迹的方法.

简介：本文从几何的角度，解释了抽样统计中经常用到的几个统计量的意义，注重从多维安间中寻找统计量的存在意义，是本文的一大特点。

简介：痕迹检验工作是刑事技术人员运用现代科学仪器和技术方法，对现场痕迹和痕迹样本进行观察、寻找特征、实验研究、比对异同、评断结果、得出科学结论的过程。痕迹检验离不开两个客体，一个是现场痕迹，另一个是供分析、鉴定现场痕迹用的痕迹样卒。

简介：tennis and general fitness. ever since the start of sixth form i have been a successful member of the college football team. i have played basketball as an enrichment activity because it was a new sport to me at the beginning of sixth form. i also participated in a 5-a-side indoor football tournament at the college. in addition to pursuing my academic studies i would like to continue some of these sports at university.,physics and computing to a-level and also during the first year at hills road sixth form college i re-took my gcse english. last year and this year i have been improving my self-learning,computer science personalstatement　　 computing and its applications have always fascinated me and for this reason i have found my a-level courses extremely interesting. this also has maintained my long-term interest in computer-related careers. i have studied mathematics

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简介：作者于1993—1994年在日本国立预防卫生研究所进修期间．在该所艾滋病研究中心应用艾滋病检测技术，采用血清学方法对来自日本不同地区16份血液样品进行了检测．得到不同数据与结果．供同仁们在工作中参考．

简介：tennis and general fitness. ever since the start of sixth form i have been a successful member of the college football team. i have played basketball as an enrichment activity because it was a new sport to me at the beginning of sixth form. i also participated in a 5-a-side indoor football tournament at the college. in addition to pursuing my academic studies i would like to continue some of these sports at university.,physics and computing to a-level and also during the first year at hills road sixth form college i re-took my gcse english. last year and this year i have been improving my self-learning,computer science personalstatement　　 computing and its applications have always fascinated me and for this reason i have found my a-level courses extremely interesting. this also has maintained my long-term interest in computer-related careers. i have studied mathematics

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简介：田伯若一家四口，去年有近4万元的收入。这里头，种水稻和甘蔗的收入6000元，当村干部的工资收入4000元，养猪的收入3万元。

简介：“还全县人民一片碧水蓝天!”这是荣昌县改良环境的铮铮誓言,同时也是荣昌县委、县政府执政为民的一片拳拳之心。荣昌人就这样踏上了改良环境的迢迢征程,他们期望通过牺牲局部利益来换取经济与环境的共赢。

简介：诉讼理由及事实如下,4．事实和理由,6．写明本状副本若干件

简介：2003年10月，在这金秋丰硕的季节．上海市银行博物馆经多方努力．在中国工商银行总行姜建清行长和上海市分行领导的关心指导下．终于将流失在国外多年由美国钞票公司印制的长达半个世纪的中国纸钞存档样本三巨册成功地征集到手。给银行博物馆藏品增添了举世无双的“镇馆之宝”。也为中国独特纸钞发行历史研究增添了不可多得的珍贵史料。

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