29 th JUNE 2021 National Statistics Day 2021

National Statistics Day is celebrated on June 29 on the birth anniversary of late Professor Prasanta Chandra Mahalanobis. Often referred to as the 'father of Indian statistics', Mahalanobis, was born on June 29, 1893, in Calcutta (now Kolkata), West Bengal.

He was a key member of the first Planning Commission of independent India and a Padma Vibhushan awardee. The first National Statistics Day was observed on June 29, 2006. The day is dedicated to statistics in daily life and creating awareness among people on how statistics helps in framing policies.
Prasanta Chandra Mahalanobis
The key contribution of PC Mahalanobis is known as "Mahalanobis distance'. The formula is used to find the distance between a point and a distribution, based on measurements in multiple dimensions. It is widely used in the field of cluster analysis and classification. He also devised a statistical method called ‘Fractile Graphical Analysis’, used to compare socio-economic conditions of varied groups.

He founded the Indian Statistical Institute (ISI) and contributed to the design of large-scale sample surveys. For his contributions, Mahalanobis has been considered the father of modern statistics in India.

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