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Erschienen in:
Buchtitelbild

2018 | OriginalPaper | Buchkapitel

1. Introduction

verfasst von : Dharmaraja Selvamuthu, Dipayan Das

Erschienen in: Introduction to Statistical Methods, Design of Experiments and Statistical Quality Control

Verlag: Springer Singapore

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Abstract

Statistics is the science of data. The term statistics is derived from the New Latin statisticum collegium (“council of state”) and the Italian word statista (“statesman”). In a statistical investigation, it is known that for reasons of time or cost, one may not be able to study each individual element (of population). Consider a manufacturing unit that receives raw material from the vendors. It is then necessary to inspect the raw materials before accepting it. It is practically impossible to check each and every item of raw material. Thus, a few items (sample) are randomly selected from the lot or batch and inspected individually before taking a decision to reject or accept the lot. Consider another situation where one wants to find the retail book value (dependent variable) of a used automobile using the age of the automobile (independent variable).

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Nächstes Kapitel Review of Probability
Fußnoten
1
Prasanta Chandra Mahalanobis (June 29, 1893–June 28, 1972) was an Indian scientist and applied statistician. He is best remembered for the Mahalanobis distance, a statistical measure, and for being one of the members of the first Planning Commission of free India.
 
2
Calyampudi Radhakrishna Rao, known as C R Rao (born September 10, 1920) is an Indian-born, naturalized American, mathematician, and statistician. He is currently Professor Emeritus at Penn State University and Research Professor at the University at Buffalo. He has been honored by numerous colloquia, honorary degrees, and festschrifts and was awarded the US National Medal of Science in 2002.
 
3
Sir Ronald Aylmer Fisher FRS (February 17, 1890–July 29, 1962), who published as R. A. Fisher, was a British statistician and geneticist. For his work in statistics, he has been described as “a genius who almost single-handedly created the foundations for modern statistical science” and “the single most important figure in twentieth-century statistics.”
 
Literatur
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Thakur R, Das D (2016) A combined Taguchi and response surface approach to improve electret charge in corona-charged fibrous electrets. Fibers Polym 17:1790–1800CrossRef
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Thakur R, Das D, Das A (2016) Optimization study to improve filtration behavior of electret filter media. J Text Inst 107:1456–1462CrossRef
Metadaten
Titel
Introduction
verfasst von
Dharmaraja Selvamuthu
Dipayan Das
Copyright-Jahr
2018
Verlag
Springer Singapore
Buch
Introduction to Statistical Methods, Design of Experiments and Statistical Quality Control

Print ISBN: 978-981-13-1735-4

Electronic ISBN: 978-981-13-1736-1

Copyright-Jahr: 2018

DOI
https://doi.org/10.1007/978-981-13-1736-1_1