[统计] 低偏倚估计量

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(213) / 评论(0) 分类 数学英语

By Kari Barber Dakar 26 September 2007 Two reports released by governance watchdogs name West and Central African countries as some of the most corrupt and poorly governed in the world. Kari Barber reports from VOA's West and Central Africa bureau in

发表于:2019-01-10 / 阅读(231) / 评论(0) 分类 2007年VOA标准英语(九月)

By Challiss McDonough Cairo 08 April 2008 Turnout has been very light in Egypt's local council elections as the main opposition group urged its followers to boycott the election when its candidates were disqualified. VOA Correspondent Challiss McDono

发表于:2019-01-10 / 阅读(195) / 评论(0) 分类 VOA常速英语2008年(四月)

By Cathy Majtenyi Nairobi 19 May 2008 Fuel efficient stoves and ceramic water purifiers are two examples of low-tech innovations that can help people in poor countries improve their quality of life. Because what is known as appropriate technology usu

发表于:2019-01-10 / 阅读(242) / 评论(0) 分类 VOA标准英语2008年(五月)

All Time Low The Wanted Praying won't do it Hating won't do it Drinking won't do it Fighting won't knock you out Of my head Hiding won't hide it Smiling won't hide it Like I ain't tried it Everyone's tried it now And failed somehow So when you gonna

发表于:2019-01-10 / 阅读(212) / 评论(0) 分类 好听的英文歌曲

By Tendai Maphosa London 21 June 2007 The perception that young black Britons are more likely to get involved in crime is being countered by a recently released report that details racial profiling and discrimination in the British legal system. Tend

发表于:2019-01-13 / 阅读(268) / 评论(0) 分类 2007年VOA标准英语(六月)

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(250) / 评论(0) 分类 2018年NPR美国国家公共电台4月

AILSA CHANG, HOST: You may have heard in recent years that minor league baseball players don't exactly share in the riches of the game. Most minor leaguers make an estimated $7,500 per year. Major League players average more than four million. A law

发表于:2019-01-17 / 阅读(312) / 评论(0) 分类 2018年NPR美国国家公共电台8月

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(204) / 评论(0) 分类 双语有声阅读

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(191) / 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(332) / 评论(0) 分类 英文语法词汇

今天我们还是继续讲在大选年中时常用到的习惯用语。多数参选的侯选人在选战刚拉开序幕时常常会作承诺。例如,他们会信誓旦旦地保证绝不向竞争对手进行人身攻击,也决不信口诋毁对手

发表于:2019-02-12 / 阅读(288) / 评论(0) 分类 美国习惯用语

冠军单曲 围观帅哥:The Wanted - All Time Low The Wanted,英国新晋男子偶像组合为什么又是男子组合呢?还打偶像的招牌,看照片上果然是五只大帅哥,其中年龄最大的21岁,最小的17岁歌么,不错,

发表于:2019-02-17 / 阅读(234) / 评论(0) 分类 流行英文歌曲

How Low [Hook] How low can you go? [8x] [Ludacris] Luda! She could go lower than i ever really thought she could, Face down, ass up! The top of your booty jiggling out your jeans, Baby pull your pants up, I like it when i see you do it, Better then i

发表于:2019-02-18 / 阅读(268) / 评论(0) 分类 好听的英文歌曲

Low [Chorus:] Shawty had them Apple Bottom Jeans [Jeans] Boots with the fur [With the fur] The whole club was lookin at her She hit the flo [She hit the flo] Next thing you know Shawty got low low low low low low low low Them baggy sweat pants And th

发表于:2019-02-18 / 阅读(234) / 评论(0) 分类 好听的英文歌曲

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(197) / 评论(0) 分类 英语口译

摇滚:Milow - Ayo Technology 相关介绍 :这是一个来自比利时的80后创作型歌手的声音,Milow为其艺名,真名为Jonathan Vandenbroeck。5年前一次失败的乐队选秀经历,使Milow开始自己开拓音乐事业。而正是

发表于:2019-02-19 / 阅读(225) / 评论(0) 分类 英文摇滚歌曲

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(210) / 评论(0) 分类 2019年NPR美国国家公共电台1月

摇滚:Milow - The Ride 相关介绍 :这是一个来自比利时的80后创作型歌手的声音,Milow为其艺名,真名为Jonathan Vandenbroeck。5年前一次失败的乐队选秀经历,使Milow开始自己开拓音乐事业。而正是一首

发表于:2019-02-26 / 阅读(209) / 评论(0) 分类 英文摇滚歌曲

Idiom: Lay low ( low profile ) Hit the book: Increase Scared Unusual Try out for Organize Regular

发表于:2019-02-26 / 阅读(269) / 评论(0) 分类 趣味青春英语
学英语单词
age hardening alloy steel
androdioecy
annular die
apparent escalation rate
arep
arithmetic library
atmospherepurifying equipment
backerman
battuta
belt fork lever
bottom character
brass cotter pin
browzing
capacititor vane
cataloging department
cerebelli
Charterist
Chirita bicolor
circular screwing die
cold brews
collodionized
consumptively
deoxygenated blood
desastre
double brilliant
Drigalski-Conradi medium
electromechanical amplifier
empawning
eriborus vulgaris
eugenics (galton 1883)
expert third-party certificate of conformity of the goods
fake antiquities
femcee
fire step
Fischer esterification
fixed interest bearing securities
frankhearted
free floating
function verb
functional analysis of classroom
great frigatebird
gynecologial examination
hemigastrectomy
hermeticists
heteromyid
hypovolemia
iliolumbar artery
intensity frequency of rainfall
isolated lagoon
isophase
Juojarvi
liquid manometer
liquid pump recirculation
locking process
Lutlhe
MDR (multichannel data register)
mirna
numerally
overmarkets
paint mill
peritrichal cilium
Phenethydiguanide
phenylene urea
pilot whale
principiant
projective operator
pseudo-concordance
pseudoisoenzyme
Put-log
Pyrazodine
pyrrosia matsudai tagawa
rate of flame propagation
Rathke's pocket
receive port
reiterative behavior
scintiangiography
screening specification
sea fringe
shower bath tray
silastic-copper-V
silicon resistor
sinter-cemented
siphonophorans
sorbitan tristearate
St-Marcel, Mt.
stand for
steena
stereocorrelation
stigmastanes
sulfindigotate culture-medium
tabular system oriented language (tabsol)
thoracoparasitus
unbalanced three-phase voltage
Union Park
universal-joint yoke
used-car
vending
wewer
wh.
white niles
wpes
zantedeschia