# Applied statistics/Related Articles  Main Article Discussion Related Articles  [?] Bibliography  [?] External Links  [?] Citable Version  [?] Tutorials [?] A list of Citizendium articles, and planned articles, about 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]