By C Radhakrishna Rao
This ebook bargains with the philosophical and methodological elements of knowledge know-how and the gathering and research of information to supply perception right into a challenge, if it is clinical examine, coverage making through executive or choice making in our day-by-day lives. the writer seeks to dispels the doubts that opportunity is an expression of our lack of understanding which makes exact prediction very unlikely and illustrates how our pondering has replaced with quantification of uncertainty via exhibiting that opportunity is not any longer the obstructor yet a manner of expressing our wisdom. certainly, probability can create and assist in the research of fact. This concept is eloquently confirmed with quite a few examples of functions that information is the technological know-how, expertise and paintings of extracting info from facts and is predicated on a learn of the legislation of likelihood. It indicates how statistical principles performed a necessary position in clinical and different investigations even earlier than facts used to be famous as a separate self-discipline, and the way records is now evolving as a flexible, strong and inevitable device in diversified fields of human endeavour corresponding to literature, criminal concerns, undefined, archaeology and medication. using information to the layman in enhancing the standard of lifestyles via clever decision-making is emphasised.
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Extra info for Statistics and Truth, Putting Chance to Work
L Chance and Chaos During the discussion after a talk I gave based on the material of this Chapter, a question was raised about chaos, a term used to describe "random like" phenomena, and its relation to the study of chance and uncertainty. My response was as follows. The word chance is used to describe random phenomena like drawing of numbers in a lottery. A sequence of numbers so produced do exhibit some order in the long run which can be explained by the calculus of probability. On the other hand, it is observed that numbers produced by a deterministic process may exhibit randomlike behaviour locally while having a global regularity.
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It is not clear what the future of statistics will be. I shall give a brief survey of the origin of statistics, discuss the current developments and speculate on its future. 1 What is statistics? Is statistics a separate discipline like physics, chemistry, biology, or mathematics? A physicist studies natural phenomena like heat, light, electricity and laws of motion. A chemist determines compositions of substances and interactions between chemicals, and a biologist studies plant and animal life.