• Friday the 13th trafficDownload .TXT file Open in Data Desk ?Link
  • Methods: Nonparametric Methods, Paired Data, Blocking
  • Source: British Medical Journal Is Friday the 13th bad for your health? BMJ 1993;307:1584
  • Number of Cases: 10
  • Story:

    Many people fear Friday the 13th as an unlucky day.
    Researchers looked into this to see whether there were differences in traffic or in admissions to hospitals for road accidents on Friday 13th when compared with the adjacent Friday 6th.

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