The modern world is littered with statistical noise. Here’s how to find the signal

A $3.2 billion budget deficit; a 10 per cent improvement in quality of life; 760,000 jobs added this quarter. Confusing, out-of-context, incomplete and flat-out inaccurate statistics no doubt account for a good chunk of our era of information overload – although you wouldn’t want to put a percentage to that. In this video from BBC Ideas in collaboration with the Open University, the UK writer and broadcaster Tim Harford offers three helpful tips for sifting through the noise to find the signal when it comes to investigating statistical claims.