低阶偏估计量

数学英语 41 What are Statistics and Estimators?

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(157) / 评论(0)

数学英语

趣味青春英语电台第42期:Lower the bar

Idiom: Lower the bar ( lower the standard ) Hit the book: Why the fox and jackal are frequently described as cunning and cleaver? Are the fox and jackal really as cleaver and cunning as the corporate man? Why man since prehistoric time was very discr

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趣味青春英语

商务英语情景口语100主题026

No.26 making concession Dialogue 1 A: I really hope to reach an agreement with you today that is suitable and beneficial for us both. I've thought through a lot of these details, and I hope we can have a chance to discuss them and result any differe

发表于:2018-12-31 / 阅读(115) / 评论(0)

商务英语口语

电信类英语词汇表大全-29

中文英文缩写等效（值）忙时呼叫 Equated Busy Hour Call EBHC 等效功率流密度 Equivalent Power Flux Density EPFD 等效随机业务 equivalent random traffic 等效误码率 Equiv

发表于:2019-01-03 / 阅读(133) / 评论(0)

电信英语

VOA慢速英语2015 候选人发言可能会影响我们如何投票

AS IT IS 2015-08-18 A Candidate's Voice May Affect How We Vote 候选人发言可能会影响我们如何投票 Experience and money for campaigning increase a politician's chances of winning an election. But so may the sound of a candidates voice. N

发表于:2019-01-12 / 阅读(117) / 评论(0)

2015年VOA慢速英语(八)月

美国国家公共电台 NPR A Lesson In How To Overcome Implicit Bias

AILSA CHANG, HOST: Starbucks' plan to close all of its U.S. stores for an afternoon to give their employees racial bias training has a lot of people asking, will this even work? We know little about what the training will include. Starbucks has said

发表于:2019-01-16 / 阅读(187) / 评论(0)

2018年NPR美国国家公共电台4月

情景会话口袋书人际篇第599期:还盘(1)

1. The price you offered is above previous prices. 你方报价高于上次。还能这样说： The price you quoted is higher than the previous one. The price you quoted exceeds the price you quoted last time. 应用解析： above and beyond 大于

发表于:2019-01-21 / 阅读(121) / 评论(0)

情景会话口袋书人际篇

情景会话口袋书人际篇第576期:产品展销(2)

5. They are cheaper than usual. 它们比平常便宜些。还能这样说： They are sold in lower price than usual. The price is less than usual. 应用解析： as usual 如往常一样，照例 6. Today, I'd like to show you something which I'm

发表于:2019-01-21 / 阅读(113) / 评论(0)

情景会话口袋书人际篇

每日一词【1204】lower：降低

今天我们要学的词是lower。 Lower, 做为动词，有降低的意思。 A new study says drinking coffee may help lower women's risk of stroke, 一项最新研究发现，喝咖啡有助于降低女性患中风的风险。 The easiest way to

发表于:2019-01-25 / 阅读(126) / 评论(0)

英语每日一词

双语有声阅读:India rapped over birth bias 印度因婴儿

India rapped over birth bias 印度因婴儿性别偏见遭谴责 India is seeking to get population growth down 印度正在寻求降低人口出生率的办法 The United Nations Population Fund has taken India to task over its ratio of females to

发表于:2019-01-30 / 阅读(133) / 评论(0)

双语有声阅读

ECONOMICS REPORT - Lower Bond Prices Can Mean a Higher Retur

ECONOMICS REPORT - Lower Bond Prices Can Mean a Higher Return, but Also Risk By Mario Ritter Broadcast: Friday, May 20, 2005 I'm Gwen Outen with the VOA Special English Economics Report. Governments a

发表于:2019-01-30 / 阅读(122) / 评论(0)

健康与经济

统计学名词词汇

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(143) / 评论(0)

英文语法词汇

统计学名词英语单词

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(216) / 评论(0)

英文语法词汇

学个词Learn a Word 第1204期 lower

发表于:2019-02-06 / 阅读(122) / 评论(0)

英语单词荟萃

Japan's lower house election begins

TOKYO, Dec. 16 (Xinhua) -- The 46th Japan's House of Representatives election began at 7:00 a.m. local time Sunday. A total of 1,504 candidates will run for the 480 seats in lower house election. The ruling Democratic Party of Japan (DPJ) registered

发表于:2019-02-08 / 阅读(148) / 评论(0)

英语新闻

广交会常用英语口语

品质广交会常用英语口语 1. We have a very strict quality controlling system which promises that goods we produced are always of the best quality. 2. You have got the quality there as well as the style. 3. How do you feel like the quality o

发表于:2019-02-12 / 阅读(164) / 评论(0)

实用英语

高频英语口语对话第312期:批货优惠(2)

unit 342 批货优惠(2) dialogue 英语情景对话 A:Excuse me, I want to know what's your price per dozen for exercise books? A:打扰一下，我想问一下每打练习册的售价是多少？ B:15 dollars per dozen B:每打15美元。 A:Oh, its

发表于:2019-02-15 / 阅读(283) / 评论(0)

高频英语口语对话

翻译考试词汇必备：统计学名词词汇（二）

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(151) / 评论(0)

英语口译

美国国家公共电台 NPR Emergency Medical Responders Confront Racial Bias

RACHEL MARTIN, HOST: There's a recent study out of Oregon that shows that race comes into play, even when it means administering lifesaving care. Specifically, this study shows black patients are 40 percent less likely to get pain medication than whi

发表于:2019-02-19 / 阅读(144) / 评论(0)

2019年NPR美国国家公共电台1月

每天三分钟学英语第382期:英文you can go lower不是”你能更low“的意思

套路一：多买多折 - If you give me a good deal, Ill buy more. 如果便宜点我会多买点。 Come on, you can go lower. Tell you what, you give me two for $10 and Ill take 10 shirts. 还能再低的，如果两件10美元，我买10件。 I

发表于:2019-02-21 / 阅读(144) / 评论(0)

每天三分钟学英语

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aetobatus reticulatus