[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(107) / 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(115) / 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(86) / 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(114) / 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(100) / 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(159) / 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(130) / 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(177) / 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(83) / 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(90) / 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(115) / 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(146) / 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(99) / 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(144) / 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(122) / 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(98) / 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(89) / 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(97) / 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(106) / 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(127) / 评论(0) 分类 趣味青春英语
学英语单词
4-Methoxyphenol
air temperature automatic fire alarm
alpha absorber
ascetical theology
Baffin, William
balmoral castles
Bar-Biting
beaugregories
boiars
borderspace
brugh
c.p.a
chamfering mechanism
combustion gas stream
conuropses
crude value added
cubicities
dare-to-die corps
DC overvoltage relay
deep-set
degree of regulation
deliver on
desalination by reverse osmosis
Dhanera
dial wheel
direct-current direct-current converter
Draconianism
draft aft
dual personality
electrokinetic ultrafiltration analysis
extrinsic pathway of blood coagulation
faller screw
fitted sheet
fixed parameter linear system
gastrosopher
genus bairdiellas
genus sphacelothecas
glutathionperoxidase
Guaroa
hacteriotoxemia
hemipyxis yuae
hobans
hole production method
hypersarcosinemia
incrassation
ingegneri
insolvency of debtor
internal consultants
kcal/s
kymes
Lffler's methylene blue
massifier
matelotes
megalopodia
metaconstitutions
multiple hearth furnace
murther
Nabiullina
not care a whit
Notse(Nuatja)
nuclelr fusion
organoarsenic residue
owe someone a day in the harvest
Paedo-
parallel task
pectinibranchia
Planting-cord
polyacetylenic ester
psychiatric aetiology
rate of crystallization
reference angle
removable unit of insulation and canning
reserve antenna
rhombic bipyramid
rugelach
sea-going catamaran
self igniting
sensorgram
serafine
Shi'ize
siggraphs
six pointed star core
skate sailing
snyderina yamanokami
spares box
sporogenic division
spring hole
spumiest
stand off and on
steam entrance angle
supralinguistically
swept over
system pressure
take your pick
tangential longitudinal section
tapir fur
tonic waters
transfer in kind
tsuduic acid
Ulmus laevis
vector theory
volontary