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?

Argentines Banking on Economic Upturn After Election

Broadcast: Mar 21 2003 There are signs of improvement in Argentina after more than a year of economic crisis, but, much will depend on the outcome of the upcoming election. The streets of Buenos Aires

SSS 2011-10-05

This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the TechnionIsrael Institute of Technology in Haifa. Schechtman discovered what are called quasicrystals.

VOA标准英语2008年-US Economic Downturn Seen as Mild, Brief

By Michael Bowman Washington 19 May 2008 A Washington-based business group says the U.S. economy remains sluggish, but will likely avoid a major recession. VOA's Michael Bowman reports. The last two U.S. recessions, in the early 1990s and in 2001, sa

Economic Confidence Declines in US, Europe

Separate reports on U.S. consumer confidence and European economic sentiment added to the volatility in global markets Tuesday. In the U.S., consumer confidence fell to its lowest level in 16 months, while the European Union's index of economic senti

U.S. Fed sees economic recovery at modest pace

WASHINGTON, Oct. 20 (Xinhua) -- The U.S. central bank saw the country's economic activity continued to rise, but at a modest pace, according to the latest Federal Reserve（联邦储备系统） survey released on Wednesday. The survey（调查）, k

Europeans Brace for Hard Times, Economic Woes

As economic crises intensify in Europe, governments are cutting budgets and ordinary people are tightening their belts. Even richer countries, like the Netherlands, are bracing for hard times to come. Amsterdam's residents took full advantage of the

Wall Street slips on economic slowdown concerns

NEW YORK, June 6 (Xinhua) -- U.S. stocks slipped on Monday as investors were concerned about the U.S. economic slowdown and became more cautious in the markets. The market sentiment was still weighed after five straight weekly losses. Investors were

US economic outlook 'optimistic'

The US economic outlook has become cautiously （谨慎的） optimistic, according to the latest issue of the Federal Reserve's influential Beige Book. Five of the 12 districts surveyed said there were signs of improvement, with five showing signs of st

China, Russia vow further inter-parliamentary, economic cooperation

China, Russia vow further inter-parliamentary, economic cooperation BEIJING, Sept. 6 (Xinhua) -- China and Russia on Thursday vowed to further promote cooperation between their two parliaments and intensify bilateral economic ties. In his talks with

Obama names Gene Sperling as top economic adviser

WASHINGTON, Jan. 7 (Xinhua) -- U.S. President Barack Obama announced on Friday that Gene Sperling would take the position of National Economic Council (NEC) Director, the top White House economic adviser. Obama made the announcement（宣告） durin

China's economic transformation "great": Luxembourg minister

China's economic transformation great: Luxembourg minister LUXEMBOURG, Nov. 6 (Xinhua) -- Luxembourg Minister of the Economy and Foreign Trade Etienne Schneider said on Tuesday China's economic transformation has been great. The invention and researc

Merkel: Eurozone Often Failed to Keep Economic Promises

Merkel: Eurozone Often Failed to Keep Economic Promises German Chancellor Angela Merkel says that too often countries in Europe's euro currency bloc have failed to keep their promises for economic reforms, leading to worries that their debts will not

China's economic growth stabilizing, annual growth target attainable

China's economic growth stabilizing, annual growth target attainable BEIJING, Oct. 18 (Xinhua) -- China's economic growth has started to stabilize and shown positive changes, said a statement released after a State Council meeting presided over by Pr

U.S. faces economic recession risk: research agency

WASHINGTON, Aug. 22 (Xinhua) -- U.S. budget deficit would surpass the 1 trillion-U.S.-dollar mark and fiscal tightening next year would pose significant threat to the overall economy, according to a report released by the U.S. Congressional Budget Of

US Economic Policies Amount to 'Hooliganism'

Russian Prime Minister Vladimir Putin says U.S. economic policies amount to hooliganism.Putin, in his annual address to the Russian parliament, said Wednesday that everything is not so good for our friends in the States. He told the lawmakers to look

IMF chief meets Greek Finance Minister on economic aid

WASHINGTON, Sept. 25 (Xinhua) -- Christine Lagarde, Managing Director of the International Monetary Fund (IMF), Sunday met Greece's Finance Minister Evangelos Venizelos in Washington on the sidelines of the annual meetings of the Washington-based IMF

China looks to boost economic integration of East Asia at ASEAN summits

China looks to boost economic integration of East Asia at ASEAN summits BEIJING, Nov. 17 (Xinhua) -- Despite sluggish recovery of the world economy, China is looking to contribute to the regional cooperation and integration of East Asia during upcomi

Europe Faces More Negative Economic Indicators

The 17 eurozone nations are facing a new wave of negative economic indicators, a further signal that Europe's currency bloc is headed toward a recession. The European Commission said Friday that executive and consumer confidence dropped in December t

U.S. Fed sees better economic situation at end of 2010

WASHINGTON, Jan. 12 (Xinhua) -- The U.S. economy ended last year on an encouraging note, as economic activity continued to expand moderately（适度地） from November through December, according to the latest Federal Reserve survey（调查） rel