Statistics And Truth: Putting Chance To Work (2Nd Edition) by C Radhakrishna Rao

By C Radhakrishna Rao

Written via one of many most sensible such a lot statisticians with event in assorted fields of functions of records, the booklet offers with the philosophical and methodological features of knowledge know-how, assortment and research of knowledge to supply perception right into a challenge, if it is medical examine, coverage making by means of govt or selection making in our day-by-day lives. the writer dispels the doubts that opportunity is an expression of our lack of expertise which makes exact prediction most unlikely and illustrates how our considering has replaced with quantification of uncertainty by means of exhibiting that opportunity isn't any longer the obstructor yet a fashion of expressing our wisdom. certainly, likelihood can create and assist in the research of fact. it's eloquently confirmed with a variety of examples of functions that data is the technology, expertise and paintings of extracting info from facts and relies on a learn of the legislation of probability. it really is highlighted how statistical principles performed an essential function in medical and different investigations even sooner than facts used to be famous as a separate self-discipline and the way information is now evolving as a flexible, strong and inevitable instrument in varied fields of human activity resembling literature, felony issues, undefined, archaeology and medicine.Use of data to the layman in bettering the standard of lifestyles via clever choice making is emphasised.

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Extra resources for Statistics And Truth: Putting Chance To Work (2Nd Edition)

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To test Smoluchowski's theory of Brownian motion of a little mirror suspended on a quartz fiber in a vessel containing air, Kappler conducted an ingenious experiment in 1931 to obtain photographic tracings of the motion of the mirror. One such a 28 Creation of New Knowledge tracing of 30 seconds’ duration is reproduced in the figure below. ” Kappler’s experiment might be interpreted as confirming Smoluchowski’s theory that the mirror is hit at random by the molecules of air giving the graph of the displacement of the mirror the character of a stationary Gaussian process.

C. C. 3), there is a detailed description of how data should be collected and recorded. Gopa, the village accountant, was required to maintain all kinds of records about the people, land utilization, agricultural produce, etc. An example of his duties mentioned in ArthaSdstra was as follows: Also having numbered the houses as taxpaying or nontax paying, he shall not only register the total number of inhabitants of all the four castes in each village, but also keep an account of the exact number of cultivators, cowherds, merchants, artisans, laborers, slaves, and biped and quadruped animals, fixing at the same time the amount of gold, free labor, toll and fines that can be collected from it (each house).

A large number of statisticians are employed in government, industry and research organizations. The universities started teaching statistics as a separate discipline. All these phenomenal developments raise a number of questions: * What is the origin of statistics? * Is statistics a science, technology or art? * What is the future of statistics? 2 Early Records The earliest record of statistics is, perhaps, notches on trees cut by primitive man, even before the art of counting was perfected to keep an account of his cattle and other possessions.

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