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
WS MoreOrLess: Qatar migrant worker deaths
Tim Harford asks if the World Cup is to blame for migrant deaths in Qatar. And we solve the fiendish maths exam question that baffled students so much it became a trend on Twitter.