Representative Sample

Definition

A representative sample is a subset of individuals selected from a larger population that accurately reflects its characteristics and diversity.

Analogy

Think of representative sampling like taking samples from different slices of pizza at a party. If you want an accurate representation of how good the pizza is overall, you need to make sure you sample from all the different slices, not just one or two.

Related terms

Random Sample: A random sample is a subset of individuals selected from a population in such a way that each member has an equal chance of being chosen.

Stratified Sampling: Stratified sampling involves dividing a population into subgroups (strata) based on certain characteristics and then selecting samples from each subgroup proportionally.

Cluster Sampling: Cluster sampling involves dividing a population into clusters or groups and randomly selecting entire clusters to be included in the sample.