More or Less: Behind the Stats - How extraordinary is Ye Shiwen? WS

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There was controversy this week after Ye Shiwen, a young Chinese swimmer, won the 400 metre individual medley in fine style. A US swimming coach called the performance "disturbing", implying that she may have cheated. More or Less investigates the numbers and finds there's no statistical smoking gun.

Published on Saturday, 4th August 2012.

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