June 12, 2024
  • Indian American Calyampudi Radhakrishna Rao won the Nobel Prize equivalent in statistics at the age of 102.
  • International Prize in Statistics was established in 2016 by a group of five major statistical organizations,
    • American Statistical Association,
    • Institute of Mathematical Statistics,
    • International Biometric Society,
    • International Statistical Institute, and
    • Royal Statistical Society
  • It is awarded once in every two years to an individual or a team.
  • Prize is given for major achievements using statistics to advance science, technology and human welfare.

Contribution of C R Rao

  • In his 1945 paper published in the Bulletin of the Calcutta Mathematical Society, he demonstrated three fundamental results that paved the way for the modern field of statistics and provided statistical tools heavily used in science.
    • The Cramér-Rao inequality is the first of the three results of the 1945 paper with applications even in quantum physics, signal processing, spectroscopy, radar systems, multiple-image radiography, risk analysis, and probability theory, among other fields.
    • The second outcome was the Rao-Blackwell Theorem, which offers a method to improve an estimate to an optimal estimate.
    • A new interdisciplinary area called ‘information geometry’ was born as a result of the paper’s third finding.
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