Tim Harford and the More or Less team try to make sense of the statistics which surround us. From BBC Radio 4
http://www.bbc.co.uk/programmes/p02nrss1
How extraordinary is Ye Shiwen? WS
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.