概率分布的标准离差

数学英语 23 What are the Range and Standard Deviation?

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(163) / 评论(0)

数学英语

数学英语 08 How to Make Box and Whisker Plots

图片1 图片2 图片3 by Jason Marshall Weve now talked about several different useful ways for looking at and understanding a group of numbers. The mean, median, and mode are great for determining the average value, and last time we learned that t

发表于:2018-12-07 / 阅读(125) / 评论(0)

数学英语

学个词Learn a Word 第832期 Double standard

今天我们要学的词是double standard。Double standard, 双重标准。美国国会众议院议长佩洛西指责共和党人在医疗保健改革的辩论中使用双重标准, House Speaker Nancy Pelosi accused Republicans of having a double

发表于:2019-01-07 / 阅读(175) / 评论(0)

英语单词荟萃

英语歌曲:Alesha Dixon-Can I Begin

英国RB三人女子组合Mis-Teeq*的前主唱Alesha Dixon去年在英国的舞林大赛中最后取胜而炒起的人气依然够旺。多年前，由Alesha Dixon、Su-Elise Nash 以及 Sabrina Washington共同组成的Mis-Teeq，曾是英国首席

发表于:2019-01-10 / 阅读(143) / 评论(0)

天籁音乐

单词超市第15期 double standard

今天要学的一个词组是：double standard。 Double standard是指双重标准。美国连锁商店沃尔马允许在中国的分店组织工会，却不允许在美国的商店组织工会。媒体报导的标题说：Critics claim double sta

发表于:2019-01-11 / 阅读(231) / 评论(0)

英语单词荟萃

英文歌曲：Alesha Dixon - Can I Begin

As much as I've been trying to say As much as I appear OK I'm holding on Pretending nothing is wrong There's many things I wanna see But first of all I gotta see me Coz I can't breathe Now that we're over Lifes getting colder Trying so hard to feel t

发表于:2019-01-14 / 阅读(136) / 评论(0)

节奏布鲁斯

2013年ESL之日常生活 20 Describing Chance and Probability

Describing Chance and Probability Raul: What are the chances that Rob will be here on time? Tiffany: Id say its fifty- fifty. You never know. He might surprise us and be early. Raul: Fat chance of that happening. Ive known him for three years and if

发表于:2019-01-23 / 阅读(235) / 评论(0)

2013年ESL之日常生活

科学家发明“死神计算机”

Boston researchers have developed a supercomputer they claim can predict with 96% probability if a patient is about to die. 波士顿的研究人员发明了一种超级计算机，据说能预测病人是不是快要死亡，准确性高达96%。 Th

发表于:2019-02-01 / 阅读(143) / 评论(0)

阅读空间

China unveils reform guidelines on income distribution

BEIJING, Feb. 5 (Xinhua) -- China on Tuesday unveiled reform guidelines on income distribution amid growing public concerns over a widening wealth gap. The guidelines encourage further work to improve the initial distribution system and stepped-up ef

发表于:2019-02-03 / 阅读(148) / 评论(0)

英语新闻

2007年VOA标准英语-UN: Difficulty of Aid Distribution in Peru Easi

By Lisa Schlein Geneva 21 August 2007 United Nations aid agencies say the distribution of humanitarian assistance to victims of Peru's devastating earthquake remains problematic. But they say the situation is beginning to ease. Lisa Schlein reports f

发表于:2019-02-03 / 阅读(221) / 评论(0)

2007年VOA标准英语（八月）

女司机发生车祸概率更高

Women drivers are more likely to be involved in an accident, according to scientists。 Researchers looked at 6.5million car crashes and found a higher than expected number of accidents between two female drivers。 They also discovered that women ha

发表于:2019-02-07 / 阅读(150) / 评论(0)

实用英语

China to boost distribution industry

BEIJING, July 11 (Xinhua) -- The State Council, or China's Cabinet, announced on Wednesday that it will boost the development of the nation's distribution industry with the goal of establishing a modern goods distribution system that is efficient, co

发表于:2019-02-08 / 阅读(168) / 评论(0)

英语新闻

合同签订庆功宴地道口语

合同成功签订后的庆功宴上该说些什么呢？通过下面的例子及讲解，你或有所收获的： Standard公司终于与Action公司签订了合约，成为生意伙伴。这对后者来说，尤其值得庆贺，因此举办了一个

发表于:2019-02-12 / 阅读(115) / 评论(0)

实用英语

商务英语：合同签订庆功宴地道口语

发表于:2019-02-16 / 阅读(160) / 评论(0)

实用英语

China releases standard names of Diaoyu Islands

BEIJING, March 3 (Xinhua) -- China has released standard names and descriptions of the Diaoyu Island and its affiliated isles, according to sources with the State Oceanic Administration. The Diaoyu Island is named as Diaoyu Island, with its Chinese p

发表于:2019-02-18 / 阅读(165) / 评论(0)

英语新闻

每日一词【1003】gold standard

今天我们要学的词是gold standard。 Gold standard, 意思是同类事物的最高标准。 The iPhone is the gold standard in the smartphone market, iPhone是智能手机市场上最棒的产品。曾带领加州大学洛杉矶分校十次赢得

发表于:2019-02-18 / 阅读(246) / 评论(0)

英语每日一词

学个词Learn a Word 第1003期 Gold standard

发表于:2019-02-18 / 阅读(196) / 评论(0)

英语单词荟萃

音乐咖啡厅:Alesha Dixon - Can I Begin

音乐咖啡厅:Alesha Dixon - Can I Begin 相关介绍：英国RB三人女子组合Mis-Teeq*的前主唱Alesha Dixon去年在英国的舞林大赛中最后取胜而炒起的人气依然够旺。多年前，由Alesha Dixon、Su-Elise Nash 以及 Sabr

发表于:2019-02-18 / 阅读(185) / 评论(0)

音乐咖啡厅

赖世雄进阶英语词汇3500 Unit2

college n.大学；学院 Harry studies at an art college in Los Angeles. 哈利在洛杉矶的一家艺术学院就读。 university n.大学 He was admitted to the university of his choice. 他获准进入他理想中的大学。 probable a.很可能

发表于:2019-02-26 / 阅读(225) / 评论(0)

赖世雄进阶英语词汇3500

唐顿庄园第二季第八集_5

唐顿庄园第二季第八集_5 [INT. SERVANTS' HALL - EVENING] O'BRIEN I'll sleep on a chair in her room. DR CLARKSON Oh, no. There's no need for that. O'BRIEN I don't mind. [Molesley pulls his head off the table groggily.] MR MOLESLEY What is it?

发表于:2019-03-16 / 阅读(323) / 评论(0)

唐顿庄园第二季

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assimilated to warship