Applied statistics/Related Articles: Difference between revisions
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Revision as of 03:20, 28 June 2009
- 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
- Mathematics [r]: The study of quantities, structures, their relations, and changes thereof. [e]
- Scientific method [r]: The concept of systematic inquiry based on hypotheses and their testing in light of empirical evidence. [e]
Related topics
- Statistics theory [r]: A branch of mathematics that specializes in enumeration, or counted, data and their relation to measured 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]
Glossary
- Confidence interval [r]: the range of a random variable, such as the mean of a sample, that — with a specified probability — contains the true value for the population. [e]
- Confidence level [r]: the probability that the true value of a random variable lies within the estimated (or predicted) confidence interval. [e]
- Deterministic [r]: the predictable effect of known causes (used in contrast to stochastic). [e]
- Mean [r]: e.g. "arithmetic mean", being the sum of n observations divided by n, or "geometric mean", being the nth root of the product of n observations. [e]
- Median (statistics) [r]: The value of a numerical or linearly ordered sample for which one half of the observations lie above and one half lie below that value. [e]
- Mode (statistics) [r]: the most frequently ocurring value. [e]
- Normal distribution [r]: a symmetrical bell-shaped probability distribution representing the frequency of random variations of a quantity from its mean. [e]
- Standard deviation [r]: A statistical measure for the fluctuation of a random variable about its mean value (the square root of the variance). [e]
- Standard error [r]: the standard deviation of the variation of a statistic that would occur if the same sampling method were applied repeatedly: for example, the standard error of the mean is measured as the standard deviation of the observed (sample) mean as measured in independent samples of a given size. [e]
- Stochastic [r]: of a random nature (sometimes contrasted with deterministic). [e]
- Variance [r]: A statistical measure of the variability of a random quantity (defined as the mean squared deviation from the mean value). [e]