Research Methodology And Techniques In Statistics (eBook, ePUB)
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Statistics is closely related to probability theory, with which it is often grouped. The difference is, roughly, that probability theory starts from the given parameters of a total population to deduce probabilities that pertain to samples. Statistical inference, however, moves in the opposite direction-inductively inferring from samples to the parameters of a larger or total population. Statistics has many ties to machine learning and data mining. The rapid and sustained increases in computing power starting from the second half of the 20th century have had a substantial impact on the practic...
Statistics is closely related to probability theory, with which it is often grouped. The difference is, roughly, that probability theory starts from the given parameters of a total population to deduce probabilities that pertain to samples. Statistical inference, however, moves in the opposite direction-inductively inferring from samples to the parameters of a larger or total population. Statistics has many ties to machine learning and data mining. The rapid and sustained increases in computing power starting from the second half of the 20th century have had a substantial impact on the practice of statistical science. Early statistical models were almost always from the class of linear models, but powerful computers, coupled with suitable numerical algorithms, caused an increased interest in nonlinear models as well as the creation of new types, such as generalized linear models and multilevel models. Many economic, social, political, and military decisions cannot be made without statistical techniques, such as the design of experiments to gain federal approval of a newly manufactured drug. This text should prove an excellent introduction and valuable reference to statistics for students and concerned lay persons.
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