nonparametric statistic
- noun
- /nɒnˌpærəˈmɛtrɪk stəˈtɪstɪk/
- Specialized
:
estadística no paramétrica
- In their report, they explained how a nonparametric statistic does not require a normal distribution assumption.
Examples
-
This nonparametric statistic was selected because of its specific use with small, nonrandom samples and categorical data.
Academic text (1995) -
The researchers used a nonparametric statistic to analyze the data from the small survey sample.
-
Using a nonparametric statistic is advantageous when dealing with outliers in the dataset.
Synonyms
A number calculated from data that does not need the data's distribution to be known
Antonyms
- Specialized
A number people calculate, like the mean, when they assume data follow a specific distribution
How Parametric
- Specialized
- Specialized
Surface Forms
Morphology
The phrase is a straightforward adjective + noun composition: 'nonparametric' (= without assuming a specific parametric form) modifies 'statistic' (= a numerical measure), so the meaning 'a statistic computed without assuming a specific distribution or parameters' follows directly from the constituents. This compositional pattern is regular and cross-linguistically common, so a learner who knows both words can infer the MWE meaning.
Etymology
Nonparametric statistic comes from the parts non- meaning 'not' and parametric meaning based on 'parameters', which are fixed numbers that describe the data's form. So a nonparametric statistic is a measure that does not use those fixed numbers and works directly with the data, which is why people use it when they do not know the data's form.
