Nonparametric Statistic (Noun)
Meaning
A statistic computed without knowledge of the form or the parameters of the distribution from which observations are drawn.
Classification
Nouns denoting cognitive processes and contents.
Examples
- The Wilcoxon rank-sum test is a nonparametric statistic used to compare the medians of two independent samples.
- Nonparametric statistics are often used in data analysis when the data do not meet the assumptions of parametric tests.
- The Mann-Whitney U test is a nonparametric statistic that is used to compare the distributions of two independent samples.
- A nonparametric statistic, such as the median, can be used to describe the central tendency of a dataset that is not normally distributed.
- The Kruskal-Wallis test is a nonparametric statistic that is used to compare the distributions of three or more independent samples.