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Statistics Day

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Topics

  • Introduction
  • About the Statistician P. C. Mahalanobis
  • Mahalanobis Achievements
  • Key Concepts
  • Reason Behind June 29
  • Importance
  • Key Point Summary
Maharashtra State Board: Class 11

Introduction

Statistics Day is celebrated on 29th June every year in India to honour the birth anniversary of Prof. Prasanta Chandra Mahalanobis, a pioneer in statistics and economic planning.

Maharashtra State Board: Class 11

About the Statistician P.C. Mahalanobis

  • Born: 29th June 1893, Kolkata.
  • Founder: Indian Statistical Institute (ISI), 1931.
  • Contributions: Revolutionised how India collects and analyses data and planned its economy.
Maharashtra State Board: Class 11

Mahalanobis Achievements

Maharashtra State Board: Class 11

Key Concepts

  1. Mahalanobis Distance: A tool for comparing two sets of data, now used globally in data science and research.
    Analogy: Like using a ruler that adjusts its scale based on what you are measuring!
  2. Fractile Graphical Analysis: A way to compare the socio-economic status of groups.
  3. Industrialisation Model: Stressed on building large factories and focusing on heavy industries first for India’s progress after independence.
Maharashtra State Board: Class 11

Reason Behind June 29

This date marks Mahalanobis’s birthday. The Government of India declared it “Statistics Day” to celebrate his contributions.

Maharashtra State Board: Class 11

Importance

  1. Reminds everyone of the role data and measurement play in building a country.
  2. Inspires students to study statistics and use it for development.
Maharashtra State Board: Class 11

Key Point Summary

  • Prof. Mahalanobis shaped India’s economic planning and the science of statistics.
  • His methods help India measure and compare growth in real numbers.
  • He showed the world how mathematical models can guide a country’s future.

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