Meaning | A statistic computed without knowledge of the form or the parameters of the distribution from which observations are drawn. |
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Synonym | distribution free statistic |
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Category | statistics | A branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters |
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Narrower | Kendall test | Any of several nonparametric measures of correlation (used when the assumptions of standard correlational analysis are not met) |
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phi coefficient, phi correlation, fourfold point correlation | An index of the relation between any two sets of scores that can both be represented on ordered binary dimensions (e.g., male-female) |
rank-order correlation coefficient, rank-order correlation, rank-difference correlation coefficient, rank-difference correlation | The most commonly used method of computing a correlation coefficient between the ranks of scores on two variables |
Broader | statistic | A datum that can be represented numerically |
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Adjectives | nonparametric | not involving an estimation of the parameters of a statistic |
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