Benford's Law

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Benford's Law
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First Digit Law

• In a list of numbers taken from real-life sources
  of data, the first digit will be 1 almost 30 of
  the time.
• The rest of the numbers will fall in a
  logarithmic distribution

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History

• First written about by Simon Newcomb in 1881 when
  looking at dirt on books of logarithms
• Rediscovered by Frank Benford in 1938
• Benford tested the law on 20,229 sets of numbers
  including areas of rivers, baseball statistics,
  numbers in magazine articles and the street
  addresses of the first 342 people listed in the
  book "American Men of Science."
• Proved by to Theodore Hill in 1988