最小绝对误差估计式

大学生活英语-Finding an Error in Your Test Score(1)

A: Excuse me, Professor. I think there might be an error in my test score. B: Sure. Do you think that the total is wrong or that you got something marked wrong that should have been marked right? A: I think that the percentage is incorrect. B: Let's

发表于:2018-11-30 / 阅读(135) / 评论(0)

英语情景对话-大学生活

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(88) / 评论(0)

数学英语

AS IT IS 2016-02-29 Egypt Says It Sentenced Boy, 4, to Prison in Error

AS IT IS 2016-02-29 Egypt Says It Sentenced Boy, 4, to Prison in Error The Egyptian military admitted last week it made a mistake when sentencing a 4-year-old boy to prison for life. A mistaken identity and confusion inside the Egyptian court system

发表于:2018-12-08 / 阅读(96) / 评论(0)

2016年VOA慢速英语(二)月

Lesson 30

新东方赵丽词汇课堂Lesson 30听力下载

发表于:2018-12-15 / 阅读(185) / 评论(0)

新东方赵丽词汇课堂

4+1听力口语MP3-语音 21

Part One 听辨练习 A. 词辨音 Listen, circle the corresponding number if you hear /???in the word. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. B. 短语辨音 Write down the words you hear on the tape, then f

发表于:2018-12-24 / 阅读(53) / 评论(0)

4+1听力口语MP3

【大学生活】考试成绩出错了-Finding an Error in Your Test Score

发表于:2018-12-26 / 阅读(119) / 评论(0)

大学生活-College Life

英文笑话：An Absolute Zero 零分

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(78) / 评论(0)

英文笑话

Stupid?

One day a college professor of Psychology was greeting his new college class. He stood up in front of the class and said,Would everyone who thinks he or she is stupid please stand up?After a minute or so of silence, a young man stood up. Well, good m

发表于:2019-01-07 / 阅读(82) / 评论(0)

趣味英语

SSS 2009-02-10

This is Scientific American's 60-Second Science. I'm Adam Hinterthuer. Got a minute? Heres a novel potential public health measure against the flukick up the humidity. The cold, dry months of winter signal the start of flu season. But previous resear

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Scientific American(二)月

Error-prone French Open champ Li exit from U.S. Open

NEW YORK, Aug. 30 (Xinhua) -- French Open champion Li Na committed 54 unforced errors and was eliminated in the first round of the U.S. Open by 53rd-ranked teenager Simona Halep on Tuesday. Li, seeded sixth, lost 6-2, 7-5 to Romania's Halep, sufferin

发表于:2019-01-11 / 阅读(113) / 评论(0)

英语新闻

英语学习乐园：I must go to...

(1) T：Look at number 120. Have you got any?你有吗？ S： Ineed a lot of cheese. I haven't got much.我需要一些奶酪，我没有多少了。 (2) T： Look at Number 438. Has he got any?他有吗？ S： Heneeds a lot of envelopes. He hasn't

发表于:2019-01-23 / 阅读(83) / 评论(0)

英语学习乐园

含金量高的英语哲理名言【下】

10. East or west, home is best. 东好西好，还是家里最好。 11. Two heads are better than one. 三个臭皮匠，顶个诸葛亮。 12. Good company on the road is the shortest cut. 行路有良伴就是捷径。 13. Constant dropping wears

发表于:2019-02-02 / 阅读(108) / 评论(0)

励志英语

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(74) / 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(88) / 评论(0)

英文语法词汇

美国俚语: 总是犯错却自认为正确的人 errorist

【中文解释】 errorist是指总是犯错却自认为正确的人，错误份子，瞪眼睛说瞎话。【英文解释】 Someone who repeatedly makes mistakes. Says stuff he believes is true, but anyone with common sense can see he's wrong. A

发表于:2019-02-09 / 阅读(94) / 评论(0)

美国俚语

怎样写好英语句子（二）

一、＂There be＂结构考生病句： 1. There are many people like to go to the movies. 2. There are different kinds of vegetables can be bought on the market by people. 正确表达： 1. There are many people who like to go to the movies. 2.

发表于:2019-02-18 / 阅读(44) / 评论(0)

实用英语

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(87) / 评论(0)

英语口译

托福写作范文举例

Some students prefer to study alone. Others prefer to study with a group of students. Which do you prefer? Use specific reasons and examples to support your answer. Study habits are a very individual thing. Some people like to study alone, while othe

发表于:2019-02-19 / 阅读(59) / 评论(0)

托福英语

简简单单让你变的快乐起来

While explaining stress management to an audience, the lecturer raised a glass of water and asked 'How heavy is this glass of water?' Answers called out ranged from 20g to 500g. 当向听众解释压力管理的时候，讲师拿起一杯水问道：这

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阅读空间

经典英语谚语

1． Pain past is pleasure. 过去的痛苦就是快乐。 2． Wisdom in the mind is better than money in the hand. 脑中有知识，胜过手中有金钱。 3． Nothing is impossible for a willing heart. 心之所愿，无所不成。 4． All th

发表于:2019-02-25 / 阅读(77) / 评论(0)

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