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Posts Tagged ‘Statistics’

Statistics and doctors

Posted in Education, tagged on April 10, 2009 | Leave a Comment »

Here’s a paragraph from a recent Scientific American article on the interpretation of statistics:
…only about one out of every 10 women who test positive in screening actually has breast cancer. The other nine are falsely alarmed. Prior to training, most (60 percent) of the gynecologists answered 90 percent or 81 percent [chance that the woman [...]

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The best fit is always a straight line

Posted in Science and Culture, Uncategorized, tagged , , on October 9, 2008 | Leave a Comment »

I have no idea what USA Today is thinking with this graphic. They seem to have taken all the polling data from 2008 for Obama vs. McCain and fit them to some arbitrary function. Never mind the convention bumps or that the lead has switched a few times, what they show is two lines with [...]

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