# Applied statistics/Related Articles

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*See also changes related to Applied statistics, or pages that link to Applied statistics or to this page or whose text contains "Applied statistics".*

## Parent topics

- Bayes Theorem [r]: Result giving the conditional probability of
*B*given*A*in terms of the probabilities of*A*and*B*and the conditional probability of*A*given*B*.^{[e]} - Mathematics [r]: The study of quantities, structures, their relations, and changes thereof.
^{[e]} - Normal distribution [r]: a symmetrical bell-shaped probability distribution representing the frequency of random variations of a quantity from its mean.
^{[e]} - Poisson distribution [r]: a probability distribution that is typically used to model the number of independent events (occurring at a constant average rate) that fall within a stated interval.
^{[e]} - Probability [r]: a numerical measure - on a scale of 0 to 1 - of the likelihood of an event, based either upon objective evidence or upon subjective judgement.
^{[e]} - Probability distributions [r]: a mathematical expression that defines the probability of occurrence of every possible value of a random variable.
^{[e]} - Random variable [r]: a variable whose value is determined by chance rather than as a result of a known cause.
^{[e]} - Scientific method [r]: The concept of systematic inquiry based on hypotheses and their testing in light of empirical evidence.
^{[e]} - Statistics theory [r]: A branch of mathematics that specializes in enumeration, or counted, data and their relation to measured data.
^{[e]} - The Design of Experiments [r]: A monograph (1935) by R.A. Fisher in which he established formal statistical methods for rigorously evaluating the outcomes of controlled experiments.
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## Related topics

- Free statistical software [r]: This article briefly describes what free software is available for conducting statistical analysis of data.
^{[e]} - Factor analysis [r]: Statistical technique used to explain variability among observed random variables in terms of fewer unobserved random variables called
*factors*.^{[e]} - Psychometrics [r]: Field of study concerned with the theory and technique of educational and psychological measurement, which includes the measurement of knowledge, abilities, attitudes, and personality traits.
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- Public debt [r]: The external obligations of the government and public sector agencies (otherwise known as national debt or government debt).
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