Word: error
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...This latest TIME Poll of 519 likely Iowa Democratic caucus goers finds that, among the so-called "second-tier" candidates, Bill Richardson has 11%, with Joe Biden at 5%, Dennis Kucinich with 2%, and Chris Dodd at 1%. (The Poll was conducted August 22 ? 25, 2007. The margin of error is approximately +/- 5 percentage points...
...margin of error for the entire sample is approximately +/- 5 percentage points. The margin of error is higher for subgroups. Surveys are subject to other error sources as well, including sampling coverage error, recording error, and respondent error. Data were weighted to approximate the 2004 Iowa Democratic Caucus "Entrance Polls," conducted January...
...Show Your Emotion. We all know tennis players are supposed to exhibit good manners. But when fighting Federer, it's a good idea to ditch the game's unwritten rules. "I'm talking first point, first set, Roger makes an unforced error, pump your fists and shout," says Courier. "Just to let him know you're there to win, not just to play close. Sometimes you have to rattle the cage." Like Tiger Woods in golf, Federer preys on his opponent's reverence for him. Perhaps it's no coincidence that the player who has had the most success against...
COMPUTER MODELING All data are fed into storm-surge models, which help predict flooding. Wind forecasts are still subpar. The average error in 2005 was 23 m.p.h., the same...
...American history saw him at the base of a building demonstrating some personal courage and taking command." But this is no time for sentimental whimsy, Biden says. "When power is passed from this President to the next, that person is going to be left with virtually no margin for error...