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# Applied statistics/Related Articles

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A list of Citizendium articles, and planned articles, about Applied statistics.
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. [e]

## 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. [e]