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BBC Radio 4 - More or Less

More or Less: Behind the Stats

Tim Harford and the More or Less team try to make sense of the statistics which surround us. From BBC Radio 4

More or Less: Behind the Stats

  • Is increasing turbulence making flying more dangerous?

    Is climate change making turbulence more dangerous for people taking flights around the world?

    That’s what one listener asked, following a terrifying turbulence incident which left one person dead and more than 20 injured on a flight to Singapore.

    We speak to turbulence expert Paul Williams, Professor of Atmospheric Science at the University of Reading, to understand what is going on.

    Presenter: Kate Lamble Producer: Nathan Gower Series producer: Tom Colls Production co-ordinator: Brenda Brown Sound mix: Nigel Appleton Editor: Richard Vadon



  • Federer’s 54%: Tennis stats explained

    How can tennis star Roger Federer have won only 54% of the points he played, but been the best player in the world? Jeff Sackmann, the tennis stats brain behind tennisabstract.com, explains to Tim Harford how probability works in the sport.

    Presenter: Tim Harford Producer: Debbie Richford Series producer: Tom Colls Production co-ordinator: Brenda Brown Sound Mix: Nigel Appleton Editor: Richard Vadon



  • The magic of trigonometry

    You might have found it boring in school maths classes, but Matt Parker thinks we should all learn to love trigonometry.

    The ‘Love Triangle’ author talks to Tim Harford about the maths used in GPS, architecture and special effects.

    Presenter: Tim Harford Producer: Debbie Richford Series Producer: Tom Colls Production Co-ordinator: Brenda Brown Sound Mix: Nigel Appleton Editor: Richard Vadon



  • Election endings, tennis and meeting men in finance

    Are Labour right about employment? Are the Conservatives right about cutting NHS managers? Are the Lib Dems right about share buyback? Are Reform UK right about their tax plans?

    How do they make the exit poll so accurate?

    What are the odds of meeting a very tall man in finance (with a trust fund)?

    What does it mean that Roger Federer only won 54% of the points he played?

    Tim Harford investigates some of the numbers in the news.

    Presenter: Tim Harford Reporter: Kate Lamble Producers: Nathan Gower, Beth Ashmead Latham and Debbie Richford Series producer: Tom Colls Production coordinator: Brenda Brown Sound mix: Rod Farquhar Editor: Richard Vadon



  • How a tick box doubled the US maternal mortality rates.

    he US has been portrayed as in the grip of a maternal mortality crisis. In contrast to most other developed nations, the rate of maternal deaths in the US has been going up since the early 2000s.

    But why? With the help of Saloni Dattani, a researcher at Our World in Data, Tim Harford explores how a gradual change in the way the data was gathered lies at the heart of the problem.

    Presenter: Tim Harford Producer: Debbie Richford Production Co-ordinator: Brenda Brown Series Producer: Tom Colls Sound Mix: Emma Harth Editor: Richard Vadon