exponentially decaying average

Numbers are bandied around all the time in sports coverage - and cricket is particularly rich in statistics and rankings. It has probably not escaped your attention that the World Cup of cricket has just finished in South Africa (Australia won - again) and so to mark the occasion, Rob Eastaway tells Plus what it takes to be the best.
  • Want facts and want them fast? Our Maths in a minute series explores key mathematical concepts in just a few words.