最小绝对差估计量

Lesson 14 The Butterfly Effect 蝴蝶效应 First listen and then answer the following question. 听录音,然后回答以下问题。 Why do small errors make it impossible to predict the weather system with a high degree of accuracy? Beyond two or

发表于:2018-11-27 / 阅读(1181) / 评论(0) 分类 新概念英语第四册

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(216) / 评论(0) 分类 数学英语

by Jason Marshall Weve now talked about three methods for calculating average values: the mean, median, and mode (affectionately known as the three Ms). So, are we done? Is that everything we could ever want to know about interpreting average values?

发表于:2018-12-07 / 阅读(241) / 评论(0) 分类 数学英语

In these amusements, the hours passed away uncounted; his deviations had perplexed his memory, and he knew not toward what point to travel. 七兜八转的东奔西突,时间过得飞快,难以确定的方向干扰了他的记忆,后来,他简直

发表于:2018-12-18 / 阅读(154) / 评论(0) 分类 美国语文第五册

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'

发表于:2018-12-30 / 阅读(322) / 评论(0) 分类 国家地理2008年

Student: I don't think I deserve an absolute zero. Professor: Neither do I, but it is the lowest mark that I am allowed to give. 学生:我认为我不应该得零分。 教授:我也这么认为,但这是允许我打的最低分数。

发表于:2019-01-02 / 阅读(203) / 评论(0) 分类 英文笑话

想在华尔街工作,或者想见识一下那些顶尖金融公司的面试问题的童鞋,速速过来围观!下面这12个面试题是亲身参加了面试的人分享的。说说你对某个问题的高见吧~~ It's hiring and firing season

发表于:2019-01-08 / 阅读(220) / 评论(0) 分类 求职英语

Saving Lives, Saving Money Every year, road crashes kill more than a million people around the world and injure many, many more. But a new study says deaths and injuries can be sharply reduced by taking simple safety measures. Whats more, safer roads

发表于:2019-01-13 / 阅读(202) / 评论(0) 分类 VOA标准英语2013年(一月)

New satellite data reveal that groundwater in Northwest India is being depleted faster than it is being replenished by rainwater. Experts say the problem is being caused by farmers' excessive use of groundwater to irrigate their crops, and they warn

发表于:2019-01-14 / 阅读(158) / 评论(0) 分类 VOA标准英语2009年(八月)

It might be the cheeks flushing with embarrassment or a voice choking with emotion. Our physical reactions can reveal what we truly feel. And some think they can show when someone's lying. Typically when a person tells a lie, they begin to sweat. I'm

发表于:2019-01-22 / 阅读(228) / 评论(0) 分类 自然百科2008年

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

Most people can identify their top priority at work. Generally, it will be the part of the job that is most productive for their employer: for a merger and acquisitions banker, it could be landing a big deal for a client; for a lorry driver, the punc

发表于:2019-02-05 / 阅读(145) / 评论(0) 分类 阅读空间

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(337) / 评论(0) 分类 英文语法词汇

By Sarah Williams 08 October 2009 This winter in the United States will be colder than normal. That's what the classic American publication the Old Farmers's Almanac is predicting. We expect heavier than normal snow in the Intermountain region, whic

发表于:2019-02-12 / 阅读(241) / 评论(0) 分类 VOA标准英语2009年(十月)

When I was 19, I was in a really bad car accident. 在我19岁的时候,发生了一场很严重的车祸。 I was thrown out of a car, rolled several times. I was thrown from the car. 我整个人飞出车外,滚了好几圈。我是被扔出车外

发表于:2019-02-14 / 阅读(238) / 评论(0) 分类 TED演讲教育篇

This looks like irrationality in action, bound to end in tears. 这看上去想是行动方面的不理性,注定要在泪水中收场。 Why, then, should the party continue? 那么,为什么这场盛宴应当继续下去呢? Manias are as old

发表于:2019-02-17 / 阅读(251) / 评论(0) 分类 经济学人财经系列

Here are some of the best interview questions that have been asked at Wall Street firms。 以下是华尔街面试中曾被问到的一些犀利问题。 Some tests are to see how well you solve problems analytically。有些旨在测试你分析解决

发表于:2019-02-17 / 阅读(247) / 评论(0) 分类 实用英语

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

Science and technology 科学技术 Male attractiveness 男性魅力 Abs-olutely fabulous 腹肌,绝对是极好的! Women's expectations of the opposite sex are at least as unrealistic as men's 男女对异性抱有的期望都不切实际,但女

发表于:2019-02-19 / 阅读(181) / 评论(0) 分类 经济学人科技系列

Science and technology 科学技术 Climate change 气候变化 Bell weather 呈钟形曲线变化的天气 A statistical analysis shows how things really are heating up 一项统计分析显示出天气究竟是如何变热的 ARE heatwaves more com

发表于:2019-02-24 / 阅读(200) / 评论(0) 分类 经济学人科技系列
学英语单词
addressed memory
air-suspension gyroscope
allignments
back-rail
Betnreuter personality inventory test
body-curved disease
bouffants
boundary value problem
cable cord
card leading edge
Cerasus clarofolia
character-like code
chromosome genetics
chuck steak
Claremorris
Corydalis glaucescens
coursed ventilation
decelerons
defense reactions
Demise of Ship Mortgage
diazo benzene acid
dividing engine
dysostosis multiplex
eat one's own flesh
environmental chronology
experimental neurology
F. h.
fault power
fijar
fire protection
fixed time
forward bias
high-water flora
hot-finished rod
ibn-arabi
inform you
ingrateful
injection moulder
inside ceiling
internal and external
it's all in the mind
Italian hand
j-scan
johann maiers
kobellite
legbomb
less of
loader paul
manual operated directional valve
manual radar-reconnaissance exploitation system (marres)
mass funeral
miltown poisoning
minimum freeboard draught
minosaminomycin
multinomial sampling model
music signal
nahuel
natural-draught transformer
negative balance
net sweeping
neuraxo
Nissl's method staining
no more heroes
non-metal ultrasonic detector
nonuniform coefficient
note teller
oscillator
partywear
payability
porous reactor
pumpkin bombs
rainy night
relative mean deviation
Ribes stenocarpum
satellite of Jupiter
schoolmastership
secessionist
sierozem
similias
smell the flowers
solution apray
spring lock
stannic fluoride
stick jet gun
stuprous
subauricular glands
Svetogorsk
ta shan wu
thymot
tifliss
transnationalization
treble-ported slide valve
tropicaldisease
two-scale
unharnessable
unwieldiest
upper mid plate
vin.
water-zoutch
wire strain gauge balance
wrawlings
Zugurma