History

• In 450 BC, Hippias of Elis used the average value of the length of a king's reign.
• In 400 BC, the Indian epic Mahabharata, king Rtuparna estimated the number of fruits and leaves.
• The first census was conducted by Quirinus in AD 7.
• Gerald of Wales completed the first population census in 1188.
• The Old Method Chart of the Seven Multiplying Squares was used in 1303.
• Gerolamo Cardano calculated the possibilities in 1560.
• Pascal and Fermat divided stakes in gambling in 1654.
• Jacob Bernoulli's law of large numbers was established in 1713.
• Gottfried Achenwall coined the term "statistics" in 1749.
• Rev. Thomas Bayes proved Bayes' theorem, the cornerstone of conditional probability, in 1761.
• The use of statistics in English was documented in 1808.
• Gauss, with the contribution from Laplace, introduced the bell shaped curve in 1835.
• Adolphe Quetelet's treatise on man was published in 1835.
• Astronomer Tycho Brahe used the arithmetic mean in 1570.
• On Reasoning in Games of Chance was published by Blaise Pascal in 1657.
• Francis Galton introduced the concept of regression to mean in 1877.
• Karl Pearson introduced the standard deviation in 1894.