Population, Sample, Sampling, Parameter, Statistic, Estimator, Estimate
As Deming (1950) so succinctly puts it: Sampling is the science of a partial coverage for a measuring reliability of useful statistical information through the theory of probability.
The enumeration of population by sampling, methods, proposed by Laplace in 1783, came into widespread of use only by the mid-thirties of this century.
The use of probability in sampling theory came to be recognised as a reliable tool in drawing inferences about the populations, whether finite or not.
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Dr. T. Saratha Devi obtained her M.Sc. and M.Phil., degrees in mathematics from Madurai Kamaraj University and her Ph.D. from Manonmaniam Sundaranar University. She has Seventeen years of teaching experience and Five years of Research experience. She has successfully guided one PhD candidate and three are in progress. She received a one research grant from UGC. She is currently an Assistant Professor and Head, Department of Statistics, G. Venkataswamy Naidu College, Kovilpatti.. She has fifteen research papers and articles in reputable national and international journals to her credit.
