Random Sample

Definition

A random sample is a subset of individuals randomly selected by researchers from a larger population. Each individual has an equal probability of selection which helps ensure that the sample represents the population well.

Related terms

Population:

In statistics, it refers to total set of observations or data points that we're interested in studying.

Sample Size: The number of observations or replicates included in statistical sampling.

Sampling Error: The error caused by observing only part but not all members of some statistical population.