News tagged with standard deviation

Stereotypes lead to underperformance, says expert

( —African-Americans with the same grades, test scores and motivation as their white high school counterparts got lower grades in college compared with other groups. And women with the exact same level of preparation ...

dateApr 17, 2013 in Social Sciences
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Explained: Sigma

It's a question that arises with virtually every major new finding in science or medicine: What makes a result reliable enough to be taken seriously? The answer has to do with statistical significance -- but ...

dateFeb 09, 2012 in General Physics
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