[统计] 估计量期望性质

by Jason Marshall Sometimes statistics* seems magical. Of course, there isnt really anything magical going onbut the fact that statistical methods can be used to pull useful information out of a hatful of messy data is, at a minimum, remarkable. And,

发表于:2018-12-07 / 阅读(63) / 评论(0) 分类 数学英语

[00:06.45]Her name at birth was Norma Jean Baker. [00:10.92]Her life as a child was like a bad dream. [00:14.68]She lived with a number of different people, and often was mistreated. [00:19.88]At age sixteen Norma Jean married a sailor. [00:24.69]But

发表于:2018-12-26 / 阅读(32) / 评论(0) 分类 美国英语听力80篇

[0:0]deposit depress deputy derive定金,押金,存款 使沮丧,使消沉 副职,副手 取得,得到 [0:43.2108]descend deserve desirable despair下来,下降 应受,应得,值得 值得拥有的 绝望 [1:31.4148]desperate despite dessert destination不顾一切的,孤注一掷的不管,尽管 甜

发表于:2019-01-16 / 阅读(65) / 评论(0) 分类 闭着眼睛飘单词 四级词汇

统计学名词词汇 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 infer

发表于:2019-02-03 / 阅读(45) / 评论(0) 分类 英文语法词汇

统计学名词英语单词 population 母体 sample 样本 census 普查 sampling 抽样 quantitative 量的 qualitative/categorical 质的 discrete 离散的 continuous 连续的 population parameters 母体参数 sample statistics 样本统计量 descriptive statistics 叙述统计学 i

发表于:2019-02-06 / 阅读(56) / 评论(0) 分类 英文语法词汇

left-skewed 左偏 negative-skewed 负偏 right-skewed 右偏 positive-skewed 正偏 contingency table 列联表 sampling distribution (of a statistic)(某个统计量的) 抽样分布point estimate 点估计值 point estimator 点估计式 unbiased

发表于:2019-02-18 / 阅读(62) / 评论(0) 分类 英语口译