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,

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?

数学英语 28 How to Use Statistics to Understand Poll Resu

by Jason Marshall In todays article, were wrapping-up our introductory series on fundamental statistics by talking about how knowledge of statistical quantities like the mean and standard deviation can help you understand the significance of the late

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

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

CNN 2010-06-13

This is bigger than the Super Bowl. This is actually bigger than the Olympics. This is really a big deal for Africa, but its also a big deal for the United States. Because you know they really have something to prove. Much of the world sees them real

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

英语博客：ESL Podcast 749 – Getting Standard Medical Test Results

Judith: I had my annual physical two weeks ago and I just got a copy of the lab results, but I cant figure out what they mean. Steven: Let me take a look. The results of your blood tests are good. Your cholesterol is within the normal range, your glu

2007年VOA标准英语-India Lowers Estimate of HIV, AIDS Infections

By Steve Herman New Delhi 17 August 2007 India was once thought to have the world's highest number of people with HIV -- the virus that causes AIDS. But the estimate was recently reduced by more than half -- down to 2.5 million from 5.7 million. The

2007年VOA标准英语-Intelligence Estimate Says al-Qaida Intends to

By Gary Thomas Washington 17 July 2007 A new U.S. intelligence estimate says al-Qaida remains determined to mount attacks on major targets in the United States, especially if it can acquire weapons of mass destruction. VOA correspondent Gary Thomas r

SCIENCE IN THE NEWS - American Scientists Estimate Future We

SCIENCE IN THE NEWS - American Scientists Estimate Future Weather Conditions in Africa By Jill Moss and Amanda Scott Broadcast: Tuesday, June 07, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, i

VOA慢速英语20061021a

IN THE NEWS - Immigrants, Births Put US on Way to Population of 400 Million by 2043By Brianna Blake Broadcast: Saturday, October 21, 2006 This is IN THE NEWS in VOA Special English. This week, the nat

学个词Learn a Word 第1244期 trait

今天我们要学的词是trait。 Trait, 特征。 A new study in South Korea shows that 1 in 38 children have traits of autism, 韩国一项最新研究显示，每38个孩子里就有一个孩子带有自闭症的特征。 Two-thirds of the child

商业书信的十点注意事项

1．切忌主客不分或模糊。例子： Deciding to rescind the earlier estimate， our report was updated to include $40，000 for new equipment． 应改为 Deciding to rescind our earlier estimate， we have updated our report to include $40，

China to promote audio-video coding standard

BEIJING, Aug. 24 (Xinhua) -- China will promote the application and industrialization of its self-developed audio-video coding standard (AVS+) in broadcasting and television, the State Administration of Radio, Film and Television (SARFT) said Friday.

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

4 Ways to Measure Your Standard of Living

4 Ways to Measure Your Standard of Living Standard of living should not equate to amount of spending. When I sat down to write an article on the countries with the highest standard of living, I thought it would be easy. But, how do you define standar

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

学个词Learn a Word 第1003期 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

留美老师带你每日说英文 第807期:极度害怕上台演讲

台湾籍旅美老师今天交给我们的句子是： Okay, if this sounds like your worst nightmare, you're not alone. Actually, you are one of the estimated seventy percent of the population that has an intense fear of public speaking. 好的！如果