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How Statistics Can Foul the Meaning of DNA Evidence

August 19th, 2010 08:53 admin Leave a comment Go to comments

azoblue writes with a piece in New Scientist that might make you rethink the concept of “statistical certainty.” As the article puts it, “even when analysts agree that someone could be a match for a piece of DNA evidence, the statistical weight assigned to that match can vary enormously, even by orders of magnitude.” Azoblue writes: “For instance, in one man’s trial the DNA evidence statistic ranged from 1/95,000 to 1/13, depending on the different weighing methods used by the defense and the prosecution.”

Source: How Statistics Can Foul the Meaning of DNA Evidence

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