皮特曼估计量

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(105) / 评论(0) 分类 数学英语

发表于:2018-12-11 / 阅读(81) / 评论(0) 分类 万花筒2006年

SCIENCE IN THE NEWS - A Death in the Family May Cause Real Heart Break SHIRLEY GRIFFITH: This is SCIENCE IN THE NEWS, in VOA Special English. Im SHIRLEY Griffith. MARIO RITTER: And Im Mario Ritter. Today, we tell about an American study of heart atta

发表于:2018-12-16 / 阅读(62) / 评论(0) 分类 2012年VOA慢速英语(二)月

Geophysicist Probes Ocean's Secrets Today, Pitman is a distinguished professor of geophysics at Columbia University, and the recipient of many of his fields most coveted honors. Even though he is now in his 80s, Pitmans animated manner makes it easy

发表于:2019-01-13 / 阅读(274) / 评论(0) 分类 VOA标准英语2012年(一月)

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(82) / 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(109) / 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(95) / 评论(0) 分类 英语口译