一、样本特征数主要有两种形式: 二、集中位置量数 三、离中位置量数 第一节 集中位置量数 第二节 离中位置量数 第三节 平均数与S的合成计算 第四节 平均数和标准差在体育中的应用

Where is stress,ε strain and the Young's modulus or elastic modulus

An Elder Challenges Outsourcing's Orthodoxy By STEVE LOHR t 89, Paul A. Samuelson, the Nobel Prize-winning economist and professor emeritus at the Massachusetts Institute of Technology, still seems to have plenty of intellectual edge and the ability to antagonize and amuse

Home What's New| Site Map Site Index International Monetary Fund Search About the IMF IMF at Work IMF Finances Country Info News Publications The IMF Strikes Back Espaniol Francais By Kenneth Rogoff Economic Counsellor and Director of the Research Department

The From The Economist print edition One of the world's main currencies is heading for a fall Get article background THE world has a new international currency: frequent-flyer miles. Launched exactly 21 years ago, they are a lot like money. Collectors check their mileage statements as

boosted global trade and triggered a surge in commodity prices: The Economist's metals index is at ten-year From budding to blooming high. This has been a fillip to raw-materials producers, GDP growth, annual average such as Brazil, South Africa and Russia. Low global %2001-04 interest rates have also reduced debt-servic costs, and

Asia's addiction to cheap currencies must end. But not overnight THE average homeowner in Peoria has probably never heard of Toshihiko Fukui, Zhou Xiachuan, Joseph Yam, Perng Fai-nan or Park Seung. But he has a lot to thank them for. These men, respectively bosses of the central banks of Japan, China, Hong Kong, Taiwan and South

Can Germany and Japan be reinvigorated? THEY are the world's' second-and- third-large- economies. Measured at market exchange rates, Japan and Germany together make up about 20% of global output. And they are both in a mess

Our Net Book Value just RESEARCH TOOLS Economist.comSURVEYS Shrink-proof Sep 18th 2003 From The Economist print edition Why America's deficit is hard to turn around IF FOREIGNERS lose enthusiasm for American assets, they simply click on a mouse. Capital

The definitive reference work for CS and OR students, only S18.95 www.doverpublications.com Economist.comOPINION Rudiger Dornbusch Aug 8th 2002 From The Economist print edition Rudiger Dornbusch, a far-from-dismal