A parametric test is a hypothesis test that depends on certain specific assumptions about the probability distribution of population values or the sizes of population parameters.

Parametric Test

A statistical test based on assumptions about the population from which the sample is drawn, including its distribution.

Probability Distribution

A function dedicated to evaluating the chances of different potential results within an experiment's context.

Population Parameters

Quantitative characteristics of a population, such as mean or standard deviation, that are usually unknown and estimated from samples.