Question 4: Read the following article: Margin of Error; then take three minutes to discuss a concept that we have studied that is relevant to this article. MARGIN OF ERROR "Pollsters like to use impressive-sounding phrases like 'margin of error' and 'scientific sample' and 'percentage of confidence.' But what do they really mean? Not much, according to Harry O'Neill of the Roper Starch Worldwide polling organization. 'God forbid the public should ever find out that all sampling error and its 95% confidence interval really say,' O'Neill explains, 'is that if you conduct the same biased survey among the same unrepresentative sample 100 times, you will get the same meaningless results 95 times within plus or minus some percentage points of the result of the particular survey being reported."" Shogan R, Ivan SR. From Bad News: Where the Press Goes Wrong in the Making of the President. Chicago IL: Dec; 2001 Question 5: Read the article: World's richest nation..; then take five minutes to discuss concepts that we have studied that are relevant to this article. World's richest nation is not the healthiest; Study comparing U.S., England stuns experts BY CARLA K. JOHNSON AND MIKE STOBBE, Associated Press CHICAGO - White, middle-aged Americans - even those who are rich - are far less healthy than their peers in England, according to stunning new research that has experts scratching their heads